Mbaga-Semgalawe, Z. (1998). Household adoption behaviour and agricultural sustainability in the northeastern mountains of Tanzania: The case of soil conservation in the north Pare and west Usambara mountains. s.n..
Lua i Stíl Chicago (17ú heag.)Mbaga-Semgalawe, Zainab. Household Adoption Behaviour and Agricultural Sustainability in the Northeastern Mountains of Tanzania: The Case of Soil Conservation in the North Pare and West Usambara Mountains. [Wageningen: s.n., 1998.
Lua MLA (8ú heag.)Mbaga-Semgalawe, Zainab. Household Adoption Behaviour and Agricultural Sustainability in the Northeastern Mountains of Tanzania: The Case of Soil Conservation in the North Pare and West Usambara Mountains. s.n., 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.