Calculus with R-经管之家(原经济论坛)-经济、管理、金融、统计在线教育和咨询网站

结果：找到“Calculus with R”相关内容155个，排序为按回复时间降序，搜索更多相关帖子请点击“高级”

Matrix Differential Calculus with Applications in Statistics and Econometrics 3E
39 个回复 - 12985 次查看 Matrix Differential Calculus with Applications in Statistics and Econometrics, 3rd Edition by Jan R. Magnus (Author), Heinz Neudecker (Author) About the Author JAN R. MAGNUS is Emeritus Professo ...2019-5-13 07:46 - slowry - 金融学（理论版）

托马斯微积分及其答案Thomas Calculus 13th with Solutions
5 个回复 - 3582 次查看托马斯微积分及其答案Thomas Calculus 13th with Solutions 托马斯微积分及其答案Thomas Calculus 13th with Solutions 托马斯微积分及其答案Thomas Calculus 13th with Solutions 托马斯微积分及其答案Tho ...2021-6-30 11:56 - lily-2021 - 现金交易版

[超级爆]MIT数学系微积分教材Calculus With Analytic Geometry 2nd edition
686 个回复 - 122888 次查看麻省理工学院数学系所用微积分教材微积分与解析几何（第2版）全彩原版 Calculus With Analytic Geometry, 2nd edition By George F Simmons 1995 | 914 Pages | English| PDF |450MB 【作者简介】 George Simmon ...2014-4-19 15:29 - saintsophia - 微观经济学

MIT数学系所用的微积分教材Calculus With Analytic Geometry 2nd edition
157 个回复 - 51471 次查看大牛巨献+麻省理工学院数学系所用微积分教材微积分与解析几何（第2版） Calculus With Analytic Geometry, 2nd edition By George F Simmons 1995 | 914 Pages | English| PDF |65MB 【作者简介】 George ...2014-3-24 17:42 - saintsophia - 经济金融数学专区

Microeconomics Theory and Applications with Calculus
11 个回复 - 4557 次查看 solution and testbank i have to apologize first if u feel the costs are too much because i spent the real money on this, hope people here can understand my situation why i set this charge.2010-4-2 06:48 - kaorachel.tw - 经管书评

Microeconomics: Theory and Applications with Calculus, 2e (Perloff)
3 个回复 - 2406 次查看中级微观经济学教学课件1-19章PPT2012-12-5 11:54 - whe58 - 微观经济学

Jeffrey Perloff的Microeconomics-Theory and Applications with Calculus课本PPT！！
11 个回复 - 5210 次查看 Hi, 下学期要上中级微观经济学，我们系会使用的课本是Pearson出版社的Jeffrey Perloff的Microeconomics.Theory.and.Applications.with.Calculus，第4版Global.Edition. 刚得到的全部的teaching资料，现在分享PPT材料 ...2017-7-8 00:20 - hw0801 - 微观经济学

Microeconomics Theory and Applications with Calculus 题库和课后答案
15 个回复 - 8086 次查看 2017-10-17 21:08 - 19不见了 - 微观经济学

重磅首发新经典教材最新版Microeconomics - An Intuitive Approach with Calculus, 2e
16 个回复 - 10869 次查看 2018-4-5 13:36 - nickyxfgsm - 微观经济学

题库(Testbank) Microeconomics: Theory and Applications with Calculus
1 个回复 - 1311 次查看教材信息：Microeconomics: Theory and Applications with Calculus (4th Edition) (The Pearson Series in Economics) 4th Edition by Jeffrey M. Perloff 题库样本：第一章有需要该书题库或者其他英文教材的 ...2019-9-30 11:59 - testbank定制 - 宏观经济学

【学习笔记】calculus with analytic geometry 2nd edition
2 个回复 - 775 次查看 calculus with analytic geometry 2nd edition2019-12-10 09:50 - 3190_1575938602 - Forum

Microeconomics_Theory_and_Applications_with_Calculus_Perloff_5ed_Global
2 个回复 - 1510 次查看 JEFFREY M. PERLOFF 的 “微观经济学：理论与应用” 第5版，国际版。刚出版的哟！2021-11-11 22:41 - jiangdf029 - 微观经济学

Perloff Microeconomics With Calculus 解答
12 个回复 - 6896 次查看 Microeconomics with Calculus 3 edition by Jeffrey M. Perloff 一書的習題解答，以及PPT檔案。2015-10-19 16:02 - francistien - 微观经济学

Microeconomics Theory and Applications with Calculus
6 个回复 - 2848 次查看 For courses in microeconomics. Exploring Microeconomics: Formal Theory and Practical Problems Significantly revised and updated with new real-world examples, exercises, and applications, this Fourth ...2017-6-27 15:33 - nivastuli - 微观经济学

Calculus Without Derivatives
2 个回复 - 1566 次查看 Graduate Texts in Mathematics系列 Calculus Without Derivatives expounds the foundations and recent advances in nonsmooth analysis, a powerful compound of mathematical tools that obviates the usual ...2015-4-29 12:50 - lasgpope - 量化投资

Calculus of Variations with Applications
11 个回复 - 2010 次查看 George M. Ewing, "Calculus of Variations with Applications" English | ISBN: 0486648567 | 352 pages | PDF| 17 MB This introductory text offers a far-reaching, rigorous, application-oriented appr ...2017-2-6 13:33 - igs816 - 量化投资

Continuous Stochastic Calculus with Applications to Finance
3 个回复 - 2091 次查看一本关于随机微积分在金融衍生品定价的书，希望对读者有所帮助。目录如下： Chapter I Martingale Theory Preliminaries . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1. Convergence of ...2015-1-13 16:17 - chao.ma - 金融工程（数量金融）与金融衍生品

【下载】Continuous Stochastic Calculus with applications to finance（清晰）
6 个回复 - 3409 次查看这本书我找了很久，但论坛上的都比较贵。现在把它贴出来，收取一点点辛苦费，希望大家谅解。书的内容不用讲了，十分经典，学金融数学，金融工程的必读书目，并且此PDF内容十分清晰！！！2010-4-2 17:36 - onlytony - 金融工程（数量金融）与金融衍生品

Elementary Stochastic Calculus with Finance in View
6 个回复 - 2993 次查看 Elementary Stochastic Calculus with Finance in View2017-9-13 14:05 - hcuieee - 量化投资

【PDF 原版教材】Stochastic Calculus for Finance I & II (with Solution)
409 个回复 - 41073 次查看 Stochastic Calculus for Finance I & II Author: Steven E. Shreve Volume I & II, Solution Manual Volume I & II Solution Manual Amazon: http://www.amazon.com/Stochastic-Calculus-Finance-Bino ...2012-11-2 15:41 - handybryant - 计量经济学与统计软件

Solutions for Microeconomics: An Intuitive Approach with Calculus Thomas J. Nech
17 个回复 - 12961 次查看 Solutions for Microeconomics: An Intuitive Approach with Calculus (International Ed.) 课后习题答案，不全，希望有人能够把其它章节找到2017-9-29 09:50 - lilyacg - 微观经济学

Basic Technical Mathematics with Calculus (2017, Pearson)
3 个回复 - 559 次查看 2019-5-21 19:11 - kawazhang - 经管书评

Essential Calculus Skills Practice Workbook with Full Solutions
20 个回复 - 1915 次查看 2018 | ISBN: 1941691242 | English | 152 pages | AZW3 The author, Chris McMullen, Ph.D., has over twenty years of experience teaching math skills to physics students. He prepared this comprehensive ...2018-10-30 14:52 - igs816 - 经管书评

Calculus with Applications 11th - Global Edition - 2017
2 个回复 - 1565 次查看 2017-4-28 15:18 - leanhnhat - 经济金融数学专区

下载：国外大学常用的高等微积分教程Advanced Calculus with Applications in Statistics
34 个回复 - 13895 次查看国外大学常用的高等微积分教程（英文版）： Advanced Calculus with Applications in Statistics (Second Edition) by Andr´e I. Khuri 实在没钱了。。。。 [此贴子已经被作者于2006-12-29 3:47:07编辑过 ...2006-9-21 04:06 - 0355lihao - 计量经济学与统计软件

Microeconomics Theory and Applications with Calculus(Perloff)下载
57 个回复 - 19339 次查看很多人都觉得贵了。。。降价喽。。。 Microeconomics Theory and Applications with Calculus(by Perloff, Pearson, 2008)下载这本书很新，国内应该还没有引进。找了很久才找到这本书的电子版。2009-9-16 22:54 - chuanqing - 微观经济学

【新书】微积分及其应用Calculus With Applications(2nd ed)_Peter D. Lax
117 个回复 - 18817 次查看微积分及其应用（第2版） Peter D. Lax, Maria Shea Terrell, ''Calculus With Applications, 2nd Edition “ English | 2013 | ISBN: 1461479452 | PDF | 516 pages | 6.87 MB 【作者介绍】美国纽约大学与康 ...2013-10-25 08:43 - saintsophia - 微观经济学

Malliavin Calculus For Levy Processes With Applications To Finance(Nunno)
4 个回复 - 4095 次查看 Malliavin Calculus For Levy Processes With Applications To Finance(Nunno)2015-4-11 22:13 - liuyuchun-cumt - 经济金融数学专区

Malliavin Calculus with Applications to SPDE
2 个回复 - 1903 次查看 Marta Sanz-Solé,2005, CRC Press. Contents Introduction .......................................................v Chapter 1 Integration by Parts and Absolute Continuity of Probability Laws 1 C ...2010-4-10 06:26 - ctex777 - 金融工程（数量金融）与金融衍生品

范里安 intermediate microeconomics with calculus Varian
1 个回复 - 1134 次查看英文版2020-6-6 12:36 - CarliaWang - 灌水吧

Intermediate Microeconomics: An Intuitive Approach with Calculus, by Thomas J. N
3 个回复 - 1865 次查看求 Intermediate Microeconomics: An Intuitive Approach with Calculus, by Thomas J. Nechyba, South- Western/CENAGE Learning, 2nd Edition, 2017. 中英文皆可谢谢！2021-3-22 21:11 - 小梨哥 - 经济金融数学专区

Serrano的微观教材《A Short Course in Intermediate Microeconomics with Calculus》
7 个回复 - 5531 次查看 A Short Course in Intermediate Microeconomics with Calculus2018-10-1 08:12 - 公子喜 - 微观经济学

Malliavin Calculus for Lévy Processes with Applications to Finance
3 个回复 - 2291 次查看 Malliavin Calculus for Lévy Processes with Applications to Finance Giulia Di Nunno, Bernt Øksendal, Frank Proske While the original works on Malliavin calculus aimed to study the smoothne ...2013-11-14 19:00 - edwardng - 金融工程（数量金融）与金融衍生品

Malliavin Calculus for Lévy Processes with Applications to Finance
2 个回复 - 2131 次查看 Malliavin Calculus for Lévy Processes with Applications to Finance by G. D. Nunno, B. Øksendal, and F. Proske [*]Covers Malliavin Calculus for both Brownian noise and Lévy type of no ...2015-3-1 04:34 - SleepyTom - 金融工程（数量金融）与金融衍生品

Malliavin Calculus for Lévy Processes with Applications to Finance
3 个回复 - 2640 次查看 Malliavin Calculus for Lévy Processes with Applications to Finance Authors: Di Nunno, Giulia, Øksendal, Bernt, Proske, Frank Springer-Verlag Berlin Heidelberg 2009 Covers Malliavin Cal ...2015-11-10 09:16 - SleepyTom - 金融工程（数量金融）与金融衍生品

Stochastic Processes and Calculus An Elementary Introduction with Applications
1 个回复 - 1242 次查看 2020-10-14 22:22 - Amy_Swift - Forum

Microeconomics: Theory and Applications with Calculus, 4th by Jeffrey M. Perloff
3 个回复 - 5287 次查看 View larger cover Microeconomics: Theory and Applications with Calculus, 4th Edition By Jeffrey M. PerloffPublished by PearsonCopyright © 2017Published Date: Mar 4, 2016 [*]About thi ...2019-4-28 13:54 - iverping - 微观经济学

Microeconomics Theory and Applications with Calculus 4th - Perloff
13 个回复 - 10951 次查看 Microeconomics Theory and Applications with Calculus 4th Edition 4E - Perloff2017-10-15 16:41 - 19不见了 - 微观经济学

Microeconomics.Theory.and.Applications.with.Calculus,Perloff,5e,2020
10 个回复 - 4455 次查看为让更多朋友，看到新书，大幅降价了。论坛首发，第五版，英文原版，Pdf格式2021-10-26 15:26 - gaowq - 经济金融数学专区

MICROECONOMICS THEORY AND APPLICATIONS WITH CALCULUS
4 个回复 - 4707 次查看 JEFFREY M. PERLOFF 的新版微观经济学。这是第5版的。2021-11-11 22:47 - jiangdf029 - 微观经济学

求Peter D. Lax 的新书Multivariable Calculus with Applications
10 个回复 - 3581 次查看【作者(必填)】Peter D. Lax 【文题(必填)】 Multivariable Calculus with Applications 【年份(必填)】2018 【全文链接或数据库名称(选填)】 http://www.springer.com/cn/book/9783319740720 https://www ...2018-3-24 22:09 - abcyhao - 求助成功区

求书：英文2014第九版Intermediate Microeconomics with Calculus. Varian, H
10 个回复 - 6216 次查看求书Intermediate Microeconomics with Calculus. Varian, H. 2014. W. W. Norton.Workouts in Intermediate Microeconomics, 9th edition. Bergstrom, T. and H. Varian. 2014. W.W. Norton.要2014版最新的，最好有 ...2015-5-13 09:42 - kirad - 悬赏大厅

高额悬赏求Microeconomics theory and applications with calculus第三版教师手册
7 个回复 - 3108 次查看本书只有电子版，只能从pearson官网下载，但是要教师账户，所以在这里悬赏求。下载地址： http://www.pearsonhighered.com/educator/product/Instructors-Resource-Manual-with-Solutions-Download-only-for-Micr ...2014-10-11 19:48 - xyyz - 悬赏大厅

【新书】微积分及其应用Calculus With Applications, 2 edition
101 个回复 - 11321 次查看【新书】微积分及其应用（第2版）纽约大学与康奈尔大学数学大牛联合巨献Peter D. Lax and Maria Shea Terrell, "Calculus With Applications, 2 edition" English | 2013 | ISBN: 1461479452 | 556 pages | PDF ...2013-12-25 07:09 - saintsophia - 微观经济学

Point Process Calculus in Time and Space: An Introduction with Applications
10 个回复 - 3221 次查看 Point Process Calculus in Time and Space: An Introduction with Applications by Pierre Brémaud (Author) About the Author Pierre Brémaud is an Emeritus Professor of the école polytechnique fé ...2020-12-9 15:00 - slowry - 金融学（理论版）

Thomas Calculus Early Transcendentals 13th with solutions
7 个回复 - 3904 次查看 2017-1-17 22:09 - galahado - 经济金融数学专区

【原版教材】Stochastic Calculus for Finance I & II (with Solution)
9 个回复 - 2588 次查看《金融随机分析》这是一套随机分析在定量经济学领域中应用方面的教材，作者在该领域享有盛誉，全书共分2卷。第1卷主要包括随机分析的基础性知识和离散时间模型；第2卷主要包括连续时间模型和该模型经济学中的应用。就 ...2019-10-9 17:40 - singlemice - 金融学（理论版）

Elementary stochastic calculus with finance in view Mikosch T.
11 个回复 - 6142 次查看请看截图：2010-4-28 04:21 - 111222xy - 金融学（理论版）

intermediate microeconomics with calculus by Varian
15 个回复 - 7412 次查看介绍见： Intermediate Microeconomics with Calculus/Hal R. Varian-图书-亚马逊中国 http://www.amazon.cn/%E5%9B%BE%E4%B9%A6/dp/03939371432015-8-17 09:19 - ontheway - 微观经济学

求书：introduction to stochastic calculus with application
7 个回复 - 2990 次查看求书：introduction to stochastic calculus with application2010-5-28 10:38 - liuhztang - 金融工程（数量金融）与金融衍生品

Matrix Differential Calculus with Applications in Statistics and Econometrics-第三
54 个回复 - 18195 次查看 Copyright 2007 of the Third Edition Jan Magnus and Heinz Neudecker. All rights reserved.Publication data for the second (revised) editionLibrary of Congress Cataloging in Publication DataMagnus, ...2008-5-9 22:08 - liujf - 计量经济学与统计软件

【清晰】MIT公开课<单变量微积分>书籍<Calculus With Analytic Geometry>
15 个回复 - 16801 次查看注：1.上图左边是第二版的封面，右边是第一版的图片，本册是第一版的，但是个人认为这两个版本的内涵相差几乎没什么。 2.第二版本的论坛里有资源，但是下载下来之后的清晰度实在是非肉眼能够接受，故而我找 ...2014-4-6 16:36 - susan_00 - 经济金融数学专区

【随机微积分】 An Informal Introduction to Stochastic Calculus with Applications
30 个回复 - 5177 次查看 An Informal Introduction to Stochastic Calculus with Applications By (author): Ovidiu Calin The goal of this book is to present Stochastic Calculus at an introductory level and not at its ma ...2017-1-7 21:16 - cmwei333 - 金融学（理论版）

Calculus and Differential Equations with MATLAB
16 个回复 - 1679 次查看 English | 2016 | ISBN: 1783322659 | 455 Pages | PDF | 5 MB[/backcolor] Calculus and Differential Equtions with MATLAB presents a clear, easy-to-understand on how to use MATLAB to solve calculus and ...2020-1-13 07:27 - Nicolle - winbugs及其他软件专版

microeconomics--an intuitive approach with calculus
12 个回复 - 5201 次查看作者Thomas J.Nechyba，30章全该书特点是先用intuitive 的方式介绍经济理论，分析经济现象。然后从数理的角度进行分析或证明。对于学习微观经济学、更好的理解微观经济理论有很大益处。写作语言也比较风趣幽默， ...2014-7-10 09:26 - 飞鸟与鱼No.1 - 微观经济学

重磅教材发布Microeconomics: An Intuitive Approach with Calculus
9 个回复 - 2646 次查看以前在论坛上看到有卖的，但是价格太贵了，正好前段时间在一个国外网站上下载了，发出来共享吧，价格就收五个币吧。。。附件太大，上传总失败，我共享到百度网盘吧。2019-1-22 00:00 - faint2012 - 微观经济学

【学习笔记】请问有Calculus With Analytic Geometry 2nd edition原版么，谢谢 ...
0 个回复 - 520 次查看请问有Calculus With Analytic Geometry 2nd edition原版么，谢谢。2019-11-26 08:57 - d1p3yuan - Forum

Malliavin Calculus for Lévy Processes with Applications to Finance 清晰版
3 个回复 - 2685 次查看比较简单的一本Malliavin 书作者： Di Nunno, Øksendal and Proske 截图：2010-4-11 09:58 - 111222xy - 金融学（理论版）

中级微观经济学精要 A Short Course in Intermediate Microeconomics with Calculus
3 个回复 - 1798 次查看 Roberto Serrano的中级微观经济学精要，非常好的中级微观经济学读物，此版本翻译的很好，可读性强，分享给大家希望能有所帮助2019-7-1 21:47 - KentChan95 - 新手入门区

Intermediate Microeconomics With Calculus First Edition
1 个回复 - 1291 次查看 Intermediate Microeconomics With Calculus First Edition Hal R. Varian Google and University of California at Berkeley2019-7-2 09:46 - Danielaxxx - 金融学（理论版）

Microeconomics with Calculus [3rd, Global Edition] by Perloff
12 个回复 - 6840 次查看 Microeconomics with Calculus 3 edition by Jeffrey M. Perloff 附件中佩罗夫的这本中级微观经济学，版本为全球版（Global Edition）。 For all intermediate Microeconomics courses atthe undergraduate ...2014-10-12 12:06 - anchor_king - 微观经济学

perloff microeconomic with calculus
1 个回复 - 1243 次查看有人需要的吗2019-3-29 19:49 - tamizheng - 微观经济学

Continuous stochastic calculus with applications to finance
1 个回复 - 1362 次查看 The current, prolonged boom in the US and European stock markets has increased interest in the mathematics of security markets most notably the theory of stochastic integration. Existing books o ...2019-5-22 21:48 - dongdong1010 - 经济金融数学专区

Microeconomics: An Intuitive Approach with Calculus，跪求此书16、17章课后题答案
5 个回复 - 2477 次查看 Microeconomics: An Intuitive Approach with Calculus，跪求此书16、17章课后题答案2014-12-29 21:38 - uibetz - 悬赏大厅

study guide Microeconomics：_An_Intuitive_Approach_with_Calculus_2011
7 个回复 - 4108 次查看 Microeconomics：_An_Intuitive_Approach_with_Calculus_2011 的study guide 其中包括了课后习题答案，但是我只能找到这么多，希望有大神能够把后续的章节找到，大家帮帮忙，这是一本很不错的书，论坛上有下载的 ...2014-6-15 11:45 - 终结天狼 - 微观经济学

Basic Technical Mathematics with Calculus 11th
5 个回复 - 320 次查看 2019-3-24 10:20 - kawazhang - 经管书评

Technical Mathematics with Calculus, 3rd Canadian Edition
15 个回复 - 967 次查看 English | ISBN: 1118962141 | 1024 pages | 2016 | PDF | 14 MB A non-theoretical book packed with applications in technology! This invaluable book is renowned for its many, fully-worked examples and ...2018-10-25 15:07 - igs816 - 经管书评

Basic Technical Mathematics with Calculus (10th Edition)
27 个回复 - 4477 次查看 This tried-and-true text from Allyn Washington preserves the author's highly regarded approach to technical math, while enhancing the integration of technology. Appropriate for a two- to three- semest ...2015-2-1 20:06 - 大家开心 - 经济金融数学专区

Modeling and Verifying Security Protocols with the Applied Pi Calculus and ProVe
4 个回复 - 617 次查看【作者(必填)】Bruno Blanchet 【文题(必填)】Modeling and Verifying Security Protocols with the Applied Pi Calculus and ProVerif 【年份(必填)】2016 【全文链接或数据库名称(选填)】https://www.now ...2019-2-12 00:56 - dreamtree - 求助成功区

Microeconomics: Theory and Applications with Calculus 4th Edition
1 个回复 - 1238 次查看 Author(s): Jeffrey M. PerloffPublisher: Pearson, Year: 2017ISBN: 1292154454,97812921544592019-1-13 19:50 - Pigmentation - 新手入门区

Microeconomics Theory and Applications with Calculus" Jeffry Perlof
0 个回复 - 825 次查看新手求英文pdf版本的Microeconomics Theory and Applications with Calculus" Jeffry Perloff[/backcolor]2019-1-13 03:00 - beenle2018 - 新手入门区

Calculus and Differential Equations with MATLAB
22 个回复 - 1626 次查看 **** 本内容被作者隐藏 ****2018-8-22 08:58 - Nicolle - winbugs及其他软件专版

15币求中文版JeffreyPerloff的Microeconomics:Theory and Applications with calculus
5 个回复 - 3158 次查看请问谁有这本书的中文翻译版本无所谓是第几版的，其实都差不多，只是举出来的例子新一些 Jeffrey M. Perloff 的 Microeconomics: Theory and Applications with Calculus 谢谢大家2015-8-23 21:26 - akatsuki-mu - 悬赏大厅

Microeconomics: Theory and Applications with Calculus, 2e (Perloff)
18 个回复 - 7182 次查看 2011年版教师手册2012-12-5 11:44 - whe58 - 微观经济学

Introduction to stochastic calculus with applications /随机微积分在金融的应用
12 个回复 - 3439 次查看国外《随机分析在量化金融中的应用》课程教材。内容偏向基础，但也需要有一定的概率论和统计功底，这样学习起来不会太吃力。2018-5-20 21:48 - LJJTBG - 经济金融数学专区

Worldwide Integral Calculus with infinite series
5 个回复 - 326 次查看 2009 | ISBN-10: 0984207155 | 659 pages | PDF From the Preface Welcome to the Worldwide Integral Calculus textbook; the second textbook from the Worldwide Center of Mathematics. Our goal with t ...2018-5-14 10:58 - igs816 - 经管书评

Student Study and Solutions Manual for Larson's Precalculus with Limits, 3rd
2 个回复 - 1420 次查看 2018-5-8 21:52 - kawazhang - 运营管理（物流与供应链管理）

《Microeconomics Theory and Applications with Calculus 3rd edition》下载
28 个回复 - 7305 次查看《Microeconomics Theory and Applications with Calculus 3rd edition》 , Jeffrey M. Perloff[/backcolor]2015-1-31 22:56 - 何米虾 - 微观经济学

0Multivariable Mathematics With Maple- Linear Algebra, Vector Calculus And Diffe
2 个回复 - 1483 次查看 Multivariable Mathematics With Maple- Linear Algebra, Vector Calculus And Differential-Prentice-Hall (1997)2015-1-18 21:14 - wanchunyang1992 - 经管书评

课程推荐