@BOOK {NWEKE: 1994f, title = {Cassava varietal needs of farmers and the potential for production growth in Africa: COSCA working paper, No. 10}, author = {Nweke, F. and Dixon, A. and Asiedu, R. and Folayan, S. A. }, series = {COSCA working paper}, year = {1994}, number = {10}, publisher = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, note = {RTB; Root and Tuber; Cassava.; 239p.}, }