Fauzi, Qudsi, Ulfah Ulfah, Ida Wijayanti, Akhmad Kusuma Wardhana, and Ballav Niroula. “Upholding Islamic Business Ethics: Enhancing Passenger Service Satisfaction in Bus Transportation”. al-Uqud : Journal of Islamic Economics 8, no. 2 (December 3, 2024). Accessed March 11, 2025. https://journal.unesa.ac.id/index.php/jie/article/view/30937.