N. Sutisna, T. K. A. Rahman, and S. Bin Mansor, “Contextualizing Procurement Maturity: Lessons from Government Procurement for Enhancing Regional-Owned Enterprise (BUMD) Performance”, Int. J. Multidiscipline. Approach. Res. Sci., vol. 3, no. 02, pp. 666–682, Jun. 2025.