Shepherd, Graham. “E-Commerce Security Issues, Then and Now: Thoughts Stimulated by an Historic Paper by Dez Blanchfield (2000) on E-Commerce Security”. Journal of Telecommunications and the Digital Economy 12, no. 4 (December 30, 2024): 186–189. Accessed January 6, 2025. https://jtde.telsoc.org/index.php/jtde/article/view/1182.