Pourtaghi, G. ., Mokarami, H. ., Valipour, F. ., & Ghasemi, M. . (2014). 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, 3(3), 128-134. Retrieved from http://sjournals.com/index.php/sjpas/article/view/925