Survey on potato farmers' cooperation models and the possibility to form self-initiated cooperatives based on the value chain and activity of the Seed Potato Development Project (SPDP-Tz) in Mbeya and Njombe Regions, Southern Highlands Zone of Tanzania - Tenaw, Shimelles (University of Helsinki, 2015)
Keywords: viljely; peruna; maanviljelijät; osuuskunnat; osuustoiminta; odling; potatis; jordbrukare; andelslag; kooperation; Tansania; Tanzania