Self-Defence Ammunition Comparison between .22, 9 mmP, .40 & .45 Projectiles. R&D Journal, [S. l.], v. 36, p. 1–7, 2020. DOI: 10.17159/2309-8988/2020/v36a1. Disponível em: https://rdj.journals.ac.za/index.php/pub/article/view/26.. Acesso em: 31 jan. 2025.