Paonganan Y, Magdalena H, Trides T, Nugroho W, Winarno A. PERHITUNGAN TONASE BATUBARA BERDASARKAN METODE MINE SURVEY DAN TRUCK COUNT DI PIT KUMALA PT. KHOTAI MAKMUR INSAN ABADI: COAL TONNAGE CALCULATION BASED ON MINE SURVEY AND TRUCK COUNT METHOD AT PIT KUMALA PT. KHOTAI MAKMUR INSAN ABADI. JTP [Internet]. 2026 Aug. 15 [cited 2026 Sep. 1];26(2):74-81. Available from: https://e-journal.upr.ac.id/index.php/JTP/article/view/27128