Desy Mei Dina, Desy Mei Dina, and Mawardi Amin. “THE EFFECT OF TOLL ROAD SPM SERVICE SUBSTANCE ON TOLL ROAD USER SATISFACTION IN THE JABODETABEK AREA”. Jurnal Infrastruktur 9, no. 1 (April 21, 2023): 7 - 14. Accessed April 29, 2024. https://journal.univpancasila.ac.id/index.php/infrastruktur/article/view/4086.