@INBOOK {ROOT:1987, title = {West and Central Africa: Nigeria sets example for expansion of soybeans}, author = {Root, W. R. and Oyekan, P. and Dashiell, K. }, editor = {Singh, S. R. and Rachie, K. O. and Dashiell, K. }, year = {1987}, type = {Soybeans for the tropics: Research, Production and Utilization}, pages = {81--85}, publisher = {John Wiley & Sons}, address = {Chichester}, }