FATIH, Mohammad Fatih; MAULANA, Aufa Akmal; SETIAWAN, Edhiye Budi. The Effect of Goods Security and Tracking System On Customer Satisfaction of PT J&T Express East Jakarta . Jurnal Ekonomi Manajemen Sistem Informasi, [S. l.], v. 6, n. 6, p. 4706–4715, 2026. DOI: 10.38035/jemsi.v6i6.8538. Disponível em: https://www.dinastirev.org/JEMSI/article/view/8538. Acesso em: 1 jul. 2026.