---

Agricultural intensification and efficiency in the West African savannahs : evidence from northen Nigeria / I. Okike...[et al.]
(Socio-economics and policy research working paper ; 33)

データ種別	図書
著者標目	Okike, I. Jabbar, M. A. Manyong V. Smith J. W. Akinwumi J. A. Ehui S. K.
出版者	Nairobi, Kenya : International Livestock Research Institute
出版者	Ibadan, Nigeria : International Institute of Tropical Agriculture
出版者	Ibadan, Nigeria : University of Ibadan
出版年	c2001