TY - GEN AU - Akoroda, M. O. (ed.) AU - Teri, J. M. TI - Food security and crop diversification in SADC countries: the role of cassava and sweet potato PY - 1998/// CY - Zambia PB - SADC KW - Food security - Cassava - SADC countries KW - Cassava - Crop diversification - SADC countries KW - Sweet potato - Crop diversification - SADC countries ER -