MADLAZIM, M. KAJIAN AWAL TENTANG b Value GEMPA BUMI DI SUMATRA. Jurnal Penelitian Fisika dan Aplikasinya (JPFA), [S. l.], v. 3, n. 1, p. 41–46, 2013. DOI: 10.26740/jpfa.v3n1.p41-46. Disponível em: https://journal.unesa.ac.id/index.php/jpfa/article/view/169. Acesso em: 3 may. 2024.