@BOOK {BERRY:1993, title = {Socio-economic aspects of cassava cultivation and use in Africa; implications for the development of appropriate technology: COSCA working paper, No. 8}, author = {Berry, S. S. }, series = {COSCA working paper, No. 8}, year = {1993}, publisher = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, note = {RTB; Root and Tuber; Cassava.; 17p.; IITA Technologies}, }