IBRAHIM, Ahmed Ade; AYUBA, Mikhail Suleiman; SANI, Ishaq. Assessing Procurement Practitioners’ Competencies for Public Sector Performance in Nigeria. African Journal of Management and Business Research, Nigeria, v. 20, n. 1, p. 118–136, 2025. DOI: 10.62154/ajmbr.2025.020.01017. Disponível em: https://afropolitanjournals.com/index.php/ajmbr/article/view/877.. Acesso em: 26 oct. 2026.