Akbar, Akbar, and Oktavianus Bria. “PENGUJIAN SIFAT-SIFAT LABORATORIUM MATERIAL GALIAN C QUARRY YANG ADA DI MALANU KOTA SORONG”. Jurnal Karkasa 4, no. 2 (October 14, 2020): 57-67. Accessed July 20, 2025. https://jurnal.poltekstpaul.ac.id/index.php/jkar/article/view/236.