Ibrahim, Ahmed Ade, Mikhail Suleiman Ayuba, and Ishaq Sani. “Assessing Procurement Practitioners’ Competencies for Public Sector Performance in Nigeria”. African Journal of Management and Business Research 20, no. 1 (August 5, 2025): 118–136. Accessed October 27, 2026. https://afropolitanjournals.com/index.php/ajmbr/article/view/877.