A guide on livelihood analysis for scientists and extension workers - Tarawali, G.; Kureh, I.; Ezedinma, C.I.; Okechukwu, R.; Lum, A.F.; Dixon, A.; Akoroda, M.O.; Ogbe, F.; Lemchi, J.; Sanni, Lateef O.; Ilona, Paul; Okoro, E. (2007)