Enhancing trader seed delivery models for sorghum and groundnuts: The case of Tanzania’s Kibaigwa Flour Supplies Ltd - Mwakatwila, Atupokile; Ochieng, Justus; Radegunda, Kessy; Kalemera, Sylvia; Mchau, Devotha; Mwenda, Emmanuel; Bujiku, Anthony; Alex, Gerald; Chideya, Yohane; Ojiewo, Christopher Ochieng; Rubyogo, Jean Claude (2024)