APRIYADI, Darmawan; WIDIAWATI, Sarovah; NURUL, Nurul; PUTRI, Rosmallini. The Effect of Online Tracking Systems and Timing Accuracy on Customer Loyalty Through Customer Satisfaction at J&T Express 2024. Jurnal Siber Multi Disiplin , [S. l.], v. 3, n. 4, p. 627–638, 2026. DOI: 10.38035/jsmd.v3i4.830. Disponível em: https://research.e-siber.org/JSMD/article/view/830. Acesso em: 15 jun. 2026.