Manalu, Istas Pratomo, Albertinus Daniel Siahaan, Okaria Veronika Simanjuntak, Dedy Samhaz Pardede, and David Calvin Tobing. 2022. “Utilization of GPS Data of Logistic Truck As a Delivery Reporting System”. Piston: Journal of Technical Engineering 6 (1):15-23. https://doi.org/10.32493/pjte.v6i1.22433.