@BOOK {AMAZA:2014, title = {Mid-term and cost-benefit study of smallholder farmers in Striga-Infested maize and cowpea growing areas of Northern Nigeria}, author = {Amaza, P. * and Hassan, M. B. * and Abdoulaye, T. and Kamara, A. and Oluoch, M. }, year = {2014}, publisher = {International Institute of Tropical Agriculture}, address = {Ibadan, Nigeria}, isbn = {978-978-8444-52-7}, note = {40p.; WAHub; CRP Grain Legumes; Cowpea; CRP Maize; Maize}, }