文
论文分享
演练场
杂货铺
论文推荐
字
编辑器下载
登录
注册
The effectiveness of crop improvement programmes from the perspectives of varietal output and adoption: cassava, cowpea, soybean and yam in sub-Saharan Africa and maize in West and Central Africa.
复制论文ID
分享
摘要
作者
参考文献
暂无分享,去
创建一个
T. Walker
|
A. Alene
|
V. Manyong
|
T. Abdoulaye
|
J. Rusike
保存到论文桶