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Utilizing conjoint analysis to design modern crop varieties: Empirical example for groundnut in Niger
Baidu-Forson, J., (1997)
The world groundnut economy : facts, trends, and outlook
Freeman, H. A., (1999)
Comparing productivity of millet-based cropping systems in unstable environments of the Sahel: possibilities and challenges
Baidu-Forson, J., (1996)