Evaluating the Effectiveness of E-Procurement Systems in Nigeria’s Public Health Sector: A Case Study of Selected States. Journal of Advanced Multidisciplinary Studies (JAMS), [S. l.], v. 1, n. 2, p. Page 666–678, 2026. Disponível em: https://jamsjournal.org/JAMS/article/view/evaluating-the-effectiveness-of-e-procurement-systems-in-nigeria. Acesso em: 21 sep. 2026.