Introduction and diffusionof cassava in Africa 
/ S.E. Carter, L. O. Fresco, P. G. Jones, J. N. Fairbain 
. - Ibadan  : International Institute of Tropical Agriculture, 1993
. - 34p.  ; 21Cm. 
 - Reasearch guide  49 .
<br/><br/><label>Source: </label> Fonds FACAGRO 
<br/><br/><label>Universal Decimal Class. No.: </label>633.493.