Harda Pratama R, Hasan H. Evaluasi Biaya Operasional Alat Gali Muat Angkut Pada Kegiatan Pengupasan di PIT SM-B1. Jurnal sostech [Internet]. 2023 Sep. 15 [cited 2026 Mar. 29];3(9):718-24. Available from: https://sostech.greenvest.co.id/index.php/sostech/article/view/923