Bahnan, alfida. “Perhitungan Kapasitas Sump Pit 4 PT RPP Contractors Indonesia Job Site PT Adimitra Baratama Nusantara Provinsi Kalimantan Timur: Penentuan Kapasitas Sump”. ReTII (November 13, 2024): 101–107. Accessed April 4, 2025. https://journal.itny.ac.id/index.php/ReTII/article/view/5412.