Pratama, Gindang Rain. “A Application of Good Mining Practice at PT. Gunung Bale, Malang, East Java: Penerapan Good Mining Practice Di PT. Gunung Bale, Malang, Jawa Timur”. Media Ilmiah Teknik Lingkungan (MITL) 7, no. 2 (February 3, 2023): 61–67. Accessed April 4, 2025. https://ojs.umpr.ac.id/mitl/article/view/4259.