citation
Karugia, J.; Massawe, S.; Guthiga, P.; Ogada, M.; Nwafor, M.; Chilonda, Pius; Musaba, E. 2016. Factors influencing the effectiveness of productivity-enhancing interventions: an assessment of selected programs. In Benin, S. (Ed.). Agricultural productivity in Africa: trends, patterns, and determinants. Washington, DC, USA: International Food Policy Research Institute (IFPRI). pp.247-333.