TY - BOOK AU - Miho, Asela TI - Comparing production efficiency of annual crops among smallholder farmers in Tabora and Ruvuma regions of Tanzania: : a case of maize, groundnuts ana Tobacco a frontier production approach AV - THS EAF HD2128.5.M53 PY - 2014/// CY - Dar es Salaam PB - : University of Dar es Salaam KW - Crops KW - Agriculture KW - Economic aspects KW - Farms KW - small KW - Tanzania N1 - Includes bibliographical and references ER -