DAVIDS, Ricardo. Defence Strategies for the New Millenium / Verdedigingstrategiee vir die Nuwe Millenium. Scientia Militaria - South African Journal of Military Studies, [S. l.], v. 29, 2012. DOI: 10.5787/29-0-191. Disponível em: https://akroterion.journals.ac.za/index.php/pub/article/view/191. Acesso em: 12 jun. 2026.