Fatih, M. F., Maulana, A. A. and Setiawan, E. B. (2026) “The Effect of Goods Security and Tracking System On Customer Satisfaction of PT J&T Express East Jakarta ”, Jurnal Ekonomi Manajemen Sistem Informasi, 6(6), pp. 4706–4715. doi: 10.38035/jemsi.v6i6.8538.