POURTAGHI, G. .; MOKARAMI, H. .; VALIPOUR, F. .; GHASEMI, M. . Prevention of noise damages causes by shooting fire of Kalashnikov (AK-47) rifle by regulation of suitable distance. Scientific Journal of Pure and Applied Sciences, [S. l.], v. 3, n. 3, p. 128-134, 2014. Disponível em: http://sjournals.com/index.php/sjpas/article/view/925. Acesso em: 22 jul. 2024.