Yazar
Keming Zhang
5 cilt bulundu.
Cilt sonuçları
The Economics Of Generating And Maintaining Plant Variety Rights In China
Bonwoo Koo, Philip G. Pardey, Keming Qian, and Yi Zhang · Intl Food Policy Res Inst
52 sayfa · 2003
Social Science
Yazar
5 cilt bulundu.
Bonwoo Koo, Philip G. Pardey, Keming Qian, and Yi Zhang · Intl Food Policy Res Inst
52 sayfa · 2003
Social Science