DESMAWITA; HANAFI; OKTAVIA, M. Perencanaan Desain Pit Limit di PT. Era Perkasa Mining Kecamatan Peranap Kabupaten Indragiri Hulu Provinsi Riau. JTK (Jurnal Teknik Kebumian), [S. l.], v. 11, n. 02 ,MARET, p. 12-21, 2024. DOI: 10.22437/jtk.v11i02 ,MARET.34673. Disponível em: https://online-journal.unja.ac.id/jtk/article/view/34673. Acesso em: 26 nov. 2024.