Kidane, Asmerom, Aloyce Hepelwa, Ernest Ngeh, and Teh-wei Hu. 2013. “Agricultural Inputs and Efficiency in Tanzania Small Scale Agriculture: A Comparative Analysis of Tobacco And Selected Food Crops”. UDSM Online Journal Testing 3 (1-2). https://doi.org/10.56279/ter.v3i1-2.6.