Salas, Jose Antonio Alvarez, J. Segundo, C. Álvarez, J. C. Arellano, and A. A. Pérez. “Evaluation of the Use of Two Teaching Techniques in Engineering”. International Journal of Engineering Pedagogy (iJEP) 4, no. 3 (June 12, 2014): pp. 4–10. Accessed January 19, 2022. https://online-journals.org/index.php/i-jep/article/view/3287.