Lodongo, M., Y. Rumbino, and N. Banunaek. “DESIGN PIT DAN PERENCANAAN PRODUKSI BATUBARA DI SITE PT BGG”. Jurnal Teknologi, Vol. 19, no. 1, May 2025, pp. 52-56, https://ejurnal.undana.ac.id/index.php/jurnal_teknologi/article/view/22341.