Corruption and Public Service Delivery: Evidence From Jimma Town Water Supply and Sanitation Sector. Global Journal of Human-Social Science, [S. l.], v. 17, n. H4, p. 71–81, 2017. Disponível em: https://www.socialscienceresearch.org/index.php/GJHSS/article/view/2329. Acesso em: 15 mar. 2026.