List of Articles Siwel Nyamba Article 1 - Understanding Roles of Different Stakeholders Influencing the Use of Mobile Phones to Access Agricultural Information: A Case of Kilolo and Kilosa Districts, Tanzania Siwel Nyamba Malongo Mlozi International Journal Of Agricultural Science, Research And Technology In Extension And Education Systems , Issue 2 , Year , Spring 2020 Article 2 - Tomato Value Chain Information System in Tanzania: Lessons from Kilolo District and Dodoma Municipality, Tanzania S.Y Nyamba V.J Kalungwizi M.R.S Mlozi I.M Busindeli F.T.M Kilima C.P Msuya-Bengesi B.B Chija Z.S.K Mvena M Gabagambi S.M Gjotterud E Kiranga International Journal Of Agricultural Science, Research And Technology In Extension And Education Systems , Issue 1 , Year , Winter 2020 Article 3 - Socio-Economic Characteristics Enhancing Farmers’ Use of Mobile Phones to Access Agricultural Information in Tanzania 20.1001.1.22517588.2021.11.3.6.2 Siwel Nyamba International Journal Of Agricultural Science, Research And Technology In Extension And Education Systems , Issue 4 , Year , Summer 2021 Article 4 - Youth Engagement in Agricultural Activities: Status and Prospects for Tanzania Agricultural Sector Development 20.1001.1.22517588.2022.12.1.2.1 Siwel Nyamba Damian Sanga International Journal Of Agricultural Science, Research And Technology In Extension And Education Systems , Issue 1 , Year , Winter 2022