SpatialVariation in Higher Education Financing 2 个回复 - 947 次查看
John Kennanuniversity of Wisconsin-Madison and NBERMarch 2015
Abstract
In the U.S. there are large differences across States in the extent to which college education is
subsidized, and there ...2015-4-7 09:15 - sunkai_bick - 教育经济学
Assessment of temporal and spatial variations in water quality 3 个回复 - 846 次查看
【作者(必填)】Xue Li, Pengjing Li, Dong Wang, Yuqiu Wang
【文题(必填)】Assessment of temporal and spatial variations in water quality using multivariate statistical methods: a case study of the Xi ...2014-10-8 20:16 - lxxwgdxg - 求助成功区