MEAK, Karel Karolus; TANDY, Lia Medy. Kompleksitas Geologi Endapan Batubara Ombrob,Kabupaten Jayapura, Papua. Jurnal Teknologi Sumberdaya Mineral, [S. l.], v. 2, n. 2, p. 72–77, 2021. DOI: 10.19184/jeneral.v2i2.28506. Disponível em: https://jeneral.jurnal.unej.ac.id/index.php/JENERAL/article/view/28506. Acesso em: 23 aug. 2025.