Muhammad , A. I., and H. . Widyastuti. “Planning of Sukabumi – Padalarang Toll Road in View of Economic and Financial Feasibility”. Jurnal Transportasi: Sistem, Material, Dan Infrastruktur, vol. 3, no. 1, July 2023, pp. A97 - A101, https://journal.its.ac.id/index.php/transportasi/article/view/661.