Royhan MF, Kusuma YB. Synergy of Service Quality, Delivery Timeliness, and Tracking System Facilities in Enhancing Customer Satisfaction (A Case Study of JNE Express Bojonegoro Branch): Sinergi antara Kualitas Layanan, Ketepatan Waktu Pengiriman, dan Fasilitas Sistem Pelacakan dalam Meningkatkan Kepuasan Pelanggan (Studi Kasus Kantor Cabang JNE Express Bojonegoro). acopen [Internet]. 2026 Jul. 20 [cited 2026 Jul. 24];11(2):10.21070/acopen.11.2026.13856. Available from: https://acopen.umsida.ac.id/index.php/acopen/article/view/13856