OKTAVIANI, Revia; SWARNINGSIH, Ketut; VANDAME, Joe. Penentuan Jenis Alat Gali Berdasarkan Nilai Shale Rating. Jurnal Rekayasa Tropis, Teknologi, dan Inovasi (RETROTEKIN), [S. l.], v. 1, n. 1, p. 35–39, 2023. DOI: 10.30872/retrotekin.v1i1.949. Disponível em: https://e-journals2.unmul.ac.id/index.php/retrotekin/article/view/949. Acesso em: 4 apr. 2025.