@BOOK {NWEKE:1996a, title = {Cassava production prospects in Africa: COSCA working paper, No. 13}, author = {Nweke, F. }, series = {COSCA working paper}, year = {1996}, number = {13}, publisher = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, isbn = {978-131-104-5}, note = {RTB; Root and Tuber; Cassava.; 62p.}, }