Opportunities and Challenges of Investment Activities: The Case of Selected Areas in Jimma Zone. Global Journal of Human-Social Science, [S. l.], v. 17, n. H1, p. 1–18, 2017. Disponível em: https://socialscienceresearch.org/index.php/GJHSS/article/view/2258. Acesso em: 19 feb. 2026.