Sapto Pramono, Solahuddin B Ismail, Zainal Fatah, Kristyan Dwi Djahjono, and Dandy Patrija Wirawan. “Digital Transformation in Cashless Payment-Based Public Transportation Policy: (Service Quality Evaluation of Suroboyo Bus in Surabaya City)”. International Journal of Social Science and Humanity 1, no. 2 (June 30, 2024): 60–75. Accessed May 30, 2026. https://international.appisi.or.id/index.php/IJSS/article/view/640.