Security Management Institute (25 May 2018). "화기별·탄종별 사격장 안전기준 정립 연구". Republic of Korea Army Headquarters. Archived from the original on 14 October 2021. Retrieved 14 October 2021. p. 118
"Archived copy"(PDF). www.smallarmssurvey.org. Archived from the original(PDF) on 11 December 2019. Retrieved 15 January 2022.{{cite web}}: CS1 maint: archived copy as title (link)
Security Management Institute (25 May 2018). "화기별·탄종별 사격장 안전기준 정립 연구". Republic of Korea Army Headquarters. Archived from the original on 14 October 2021. Retrieved 14 October 2021. p. 118
"Archived copy"(PDF). www.smallarmssurvey.org. Archived from the original(PDF) on 11 December 2019. Retrieved 15 January 2022.{{cite web}}: CS1 maint: archived copy as title (link)