YOS SUMARDI, Yos Sumardi. PERANAN GEOFISIKA DALAM EKSPLORASI MINYAK BUM1 DAN MINERAL. Jurnal Cakrawala Pendidikan, [S. l.], v. 3, n. 3, 2016. DOI: 10.21831/cp.v3i3.9141. Disponível em: https://journal.uny.ac.id/index.php/cp/article/view/9141. Acesso em: 18 may. 2025.