Sustainable food production in Sub-Saharan Africa.
- Ibadan, Nigeria : International Institute of Tropical Agriculture, c1992-c1993.
- 2 v. : ill. (some col.) ; 25 cm.
"Text, Nathan Russell, with various authors indicated in each chapter"--T.p. verso.
Includes bibliographical references.
1. IITA's contributions -- 2. Constraints and opportunities.