Lumban Gaol, Dody Kurnia, Ratna Ayu Damayanti, and Andi Kusumawati. “Critical Success Factor (CSF) of Implementing PPP Road Sector in Indonesia”. Jurnal Perencanaan Pembangunan: The Indonesian Journal of Development Planning 7, no. 2 (August 31, 2023): 209–230. Accessed May 20, 2024. https://journal.bappenas.go.id/index.php/jpp/article/view/507.