@INBOOK {NWEKE:1992, title = {Economics of root crop processing and utilization in Africa: a challenge for research}, author = {Nweke, F. }, year = {1992}, type = {Tropical root crops: promotion of root- crop based industries, edited by M.O. Akoroda and O.B. Arene}, pages = {27--35}, publisher = {ISTRC-AB; International Institute of Tropical Agriculture(IITA)}, address = {Ibadan, Nigeria}, }