@PROCEEDINGS {BARTLETT:1979a, title = {What sort of improvements for cassava production do farmers need from NAFPP?}, author = {Bartlett, C. D. and Ikorgu, J. E. }, booktitle = {Third National Cassava Workshop, Umudike, January, 1979}, year = {1979}, month = {January}, note = {RTB; Root and Tuber; Cassava}, }