YOTONA, Yohanan Yokamo. CHALLENGES OF COLLUSION IN THE PROCUREMENT OF COMMON USE ITEMS AND SERVICES IN ETHIOPIAN FEDERAL DEMOCRATIC GOVERNMENT PROCUREMENT SYSTEM: PARLIAMENT’S ROLE. Ethiopian Journal of Governance and Development , Ethiopia, v. 3, n. 1, 2024. DOI: 10.20372/h97f7709. Disponível em: https://journals.hu.edu.et/hu-journals/index.php/ejgd/article/view/900.. Acesso em: 4 mar. 2026.