Fatih, Mohammad Fatih, Aufa Akmal Maulana, and Edhiye Budi Setiawan. “The Effect of Goods Security and Tracking System On Customer Satisfaction of PT J&T Express East Jakarta ”. Jurnal Ekonomi Manajemen Sistem Informasi 6, no. 6 (May 25, 2026): 4706–4715. Accessed June 13, 2026. https://dinastirev.org/JEMSI/article/view/8538.