“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), vol. 1, no. 2, Sept. 2026, pp. Page 666-678, https://jamsjournal.org/JAMS/article/view/evaluating-the-effectiveness-of-e-procurement-systems-in-nigeria.