Agro-forestry in the African humid tropics :  proceedings of a Workshop held in Ibadan, Nigeria, 27 April - 1 May 1981 / 
edited by L. H. MacDonald 
 - Tokyo :  United Nations University Press,  1981 
 - 163 p. :  ill. ;  30 cm. 
<br/><br/><label>ISBN: </label>9280803646 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agroforestry--Africa--Congresses