@BOOK {ELLISJONES:2005, title = {Participatory research and extension approaches: IITA research guide, No. 71}, author = {Ellis-Jones, J. and Schultz, L. and Chikoye, D. and De Haan, N. and Kormawa, P. and Adedzwa, D. K. }, year = {2005}, publisher = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, isbn = {978-131-247-5}, note = {52p.}, }