Siahaan, J. R.; Siti Maemunah; Sofwan Farisyi; Eduard Alfian Syamsya; Rohana Sitanggang. The Effect of Internet of Things (IoT) and CEISA 4.0 System Reliability on Logistics Company Performance: The Mediating Role of Service Quality in Freight Forwarding Companies in Jakarta. SJTL 2026, 4, 35-41.