Costs and returns of major crops in some parts of northern Nigeria.
Edition: Rev.
Series: Extension bulletin - AERLS Ahmado Bello University, Farm management programme ; no. 10; Agriculture statistics series ; no. 1
Published: 1977
Place of publication: Zaria : Agric. Extension & Research Liaison Services, Ahmadu Bello University, 1977
Language: eng
Number of pages: 30