@BOOK {EKANAYAKE:1997, title = {Agronomy of cassava: IITA research guide, No. 60}, author = {Ekanayake, I. J. and Osiru, D. and Porto, M. C. M. }, series = {IITA research guide, No. 60}, year = {1997}, publisher = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, isbn = {978-131-121-3}, note = {RTB; Root and Tuber; Cassava.; 30p.}, }