APA

International Crops research Institute for the Semi-Arid Tropics, . (1989). Soil, crop, and water management systems for rainfed agriculture in the sudano-sahelian zone : Proceedings of an international w. Andhra Pradesh: International Crops research Institute for the Semi-Arid Tropics.

Chicago

International Crops research Institute for the Semi-Arid Tropics, . 1989. Soil, crop, and water management systems for rainfed agriculture in the sudano-sahelian zone : Proceedings of an international w. Andhra Pradesh: International Crops research Institute for the Semi-Arid Tropics.

Harvard

International Crops research Institute for the Semi-Arid Tropics, . (1989). Soil, crop, and water management systems for rainfed agriculture in the sudano-sahelian zone : Proceedings of an international w. Andhra Pradesh: International Crops research Institute for the Semi-Arid Tropics.

MLA

International Crops research Institute for the Semi-Arid Tropics, . Soil, crop, and water management systems for rainfed agriculture in the sudano-sahelian zone : Proceedings of an international w. Andhra Pradesh: International Crops research Institute for the Semi-Arid Tropics. 1989.