Chasanah, Rina Nur, and Andreas Wijaya. “The Analysis Of Service Quality Using Importance Performance Analysis For Mrt Jakarta”. Primanomics : Jurnal Ekonomi & Bisnis 18, no. 3 (September 1, 2020): 96–105. Accessed May 2, 2024. https://jurnal.ubd.ac.id/index.php/PE/article/view/397.