Economic returns to cowpea research, extension, and input distribution in Senegal
Lisa A. Schwartz; James A. Sterns; James F. Oehmke
- 作者Lisa A. Schwartz; James A. Sterns; James F. Oehmke
- 卷第8卷
- 期第2期
- 印刷ISSN0169-5150
- 电子ISSN1574-0862
- 文件大小706.78KB
- 发表时间1993
- DOI10.1016/0169-5150(92)90028-w
- 页码161-171