@BOOK {IITA:2009, title = {R4D Review; 2}, author = {IITA, }, editor = {Lopez, K. and Bramel, P. and Abele, S. and Asiedu, R. and Chikoye, D. and Koper, E. }, year = {2009}, month = {March}, edition = {2}, publisher = {International Institute of Tropical Agriculture (IITA)}, note = {ISSN: 2071-3681}, }