Oetama, Seanewati, Hari Susanto, and Wahyu Rizwannur. “Effect Of Online Tracking System And Delivery Timeliness On Customer Satisfaction (Case Study On J & T Express Sampit)”. International Journal of Science, Technology & Management 5, no. 4 (July 30, 2024): 962-969. Accessed March 9, 2025. https://ijstm.inarah.co.id/index.php/ijstm/article/view/1157.