Royhan, M. F., and Y. B. Kusuma. “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)”. Academia Open, vol. 11, no. 2, July 2026, p. 10.21070/acopen.11.2026.13856, doi:10.21070/acopen.11.2026.13856.