[EJ-08-20]Contribution of Wheat Diversity to Total Factor Productivity in China

作者：　　期刊： 　　来源：

作者：Jin, Songqing, Erika C H Meng, Ruifa Hu, Scott Rozelle and Jikun Huang　　期刊：Journal of Agricultural and Resource Economics, Dec 2008; 33(3) : 449-472.　　来源： ccap