Rodríguez Frausto, Heriberto, Federico, Tzitzi, and Paul de la Colina García. “Activity Theory As a Pedagogical Foundation for Educational Models”. International Journal of Scientific Research and Modern Technology 5, no. 1 (January 23, 2026): 72–78. Accessed April 30, 2026. https://ijsrmt.com/index.php/ijsrmt/article/view/1139.