Yazar
Michele C Marra
2 cilt bulundu.
Cilt sonuçları
A meta-analysis of rates of return to agricultural R&D
Julian M. Alston, Connie Chan-Kang, Michele C. Marra, Philip G. Pardey, J. J. Wyatt · International Food Policy Research Institute
148 sayfa · 2000
Agriculture / Rate of return / Economic aspects / Evaluation / Research
Double-cropping wheat and soybeans in the southeast
Michele C Marra · U.S. Dept. of Agriculture, Economic Research Service
18 sayfa · 1986
Double cropping / Wheat / Soybean