Akbar, M Lucky, Arif Imam Suroso, Bambang Juanda, and Anggraini Sukmawati. “Optimal Maturity Level Development for Government Goods Services Procurement Organizations (UKBPJ) in Indonesia”. Jurnal Aplikasi Bisnis dan Manajemen 8, no. 2 (June 11, 2022): 424. Accessed December 25, 2025. https://journal.ipb.ac.id/jabm/article/view/39955.