@BOOK {OMOIGUI:2020, title = {Guide to cowpea production in northern Nigeria}, author = {Omoigui, L. and Kamara, A. and Kamai, N. and Ekeleme, F. and Aliyu, K. T. }, year = {2020}, edition = {Revised}, publisher = {International Institute of Tropical Agriculture}, address = {Ibadan, Nigeria}, isbn = {978-978-131-368-4}, note = {WAHub; Science Area BPB; PPPH; CRP Grain Legumes; Cowpea; 57p.}, }