【作者(必填)】
Kristof De Witte & Mika Kortelainen
【文题(必填)】

What explains the performance of studentsin a heterogeneous environment? Conditional efficiency estimation withcontinuous and discrete environmental variables

【年份(必填)】12 Apr 2012【全文链接或数据库名称(选填)】
http://www.tandfonline.com/doi/pdf/10.1080/00036846.2012.665602#.VcshW0eUeTg