Analisis Diskontinuitas Stabilitas Terowongan Bekas Bijih Mangan Kalilingseng Kulon Progo Berdasarkan Klasifikasi Massa Batuan. Geomine [Internet]. 2023 Jul. 17 [cited 2025 Jun. 28];11(01):1-8. Available from: https://jurnal.fti.umi.ac.id/index.php/JG/article/view/151