N. L. Travers and A. Mandell, “Competency-Based Education: Flexibility and a Built-in Prior Learning Assessment Method: A Conversation with Franz Feierbach and Leslie Seiferle”, PLA Inside Out, vol. 8, no. 8, June 2022, Accessed: Nov. 04, 2026. Available: https://plaio.org/index.php/home/article/view/205