ZUHDI, Muhammad. SEISMOGRAF REFRAKSI DENGAN SUMBER GELOMBANG WEIGH DROP. Jurnal Pijar Mipa, [S. l.], v. 6, n. 1, 2011. DOI: 10.29303/jpm.v6i1.119. Disponível em: https://jurnalfkip.unram.ac.id/index.php/JPM/article/view/119. Acesso em: 26 apr. 2024.