@BOOK {EKANAYAKE:1997a, title = {Morphology of cassava: IITA research guide, No. 61}, author = {Ekanayake, I. J. and Osiru, D. * and Porto, M. C. M. *}, series = {IITA research guide, No. 61}, year = {1997}, month = {August}, publisher = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, isbn = {978-131-122-3}, note = {RTB; Root and Tuber; Cassava.; 30p.}, }