NDUGI, J. L.; KWASIRA, J. Effects of Contractual Agreement on Performance of Procurement Function in Selected University Campuses in Nakuru, Kenya. The International Journal of Business & Management, [S. l.], v. 5, n. 10, 2017. Disponível em: https://internationaljournalcorner.com/index.php/theijbm/article/view/125438. Acesso em: 23 jul. 2024.