Bahnan, alfida. “Perhitungan Kapasitas Sump Pit 4 PT RPP Contractors Indonesia Job Site PT Adimitra Baratama Nusantara Provinsi Kalimantan Timur”. ReTII (November 13, 2024): 101-107. Accessed November 20, 2024. //journal.itny.ac.id/index.php/ReTII/article/view/5412.