Alley farming in the humid and subhumid tropics : proceedings of an international workshop held at Ibadan, Nigeria, 10-14 March 1986 / editors, B.T. Kang and L. Reynolds. (IDRC ; 271e)
Alley farming in the humid and subhumid tropics : proceedings of an international workshop held at Ibadan, Nigeria, 10-14 March 1986 / editors, B.T. Kang and L. Reynolds.