Assessing the impact of the tropical legumes II & III project on common bean productivity, profitability and marketed surplus in southern highlands of Tanzania - Katungi, Enid M.; Letaa, Emmanuel; Kabungo, Catherine; Ndunguru, Agness; Mukankusi, Clare Mugisha; Raatz, Bodo; Ssekamate, Allan; Rubyogo, Jean-Claude (2019)