Lokahita B, Effendi AP, Firdaus HS, Wahyuningsih NPS. Improving The Efficiency of Ups Performance in Depok City. jrssem [Internet]. 2025 Jun. 24 [cited 2025 Dec. 5];4(11):1959-67. Available from: https://jrssem.publikasiindonesia.id/index.php/jrssem/article/view/869