A. Oktaç and P. Aguilar, “GENERATING COGNITIVE CONFLICT BY MEANS OF A CRYPTOGRAPHY ACTIVITY THAT INVOLVES BINARY OPERATIONS”, RELIME, vol. 7, no. 2, pp. 117–144, Jul. 2004, Accessed: Oct. 22, 2026. Available: https://www.relime.org/index.php/relime/article/view/536