Bermejo, S. P., Cabero, M. O., Pérez, A. G., Sampaio-Gomes, R. C., Santos, C. E., & Prieto, L. C. (2017). OPERATING METHOD AT ENGINEERING CLASSES: A TWIST IS NECESSARY. PUPIL: International Journal of Teaching, Education and Learning, 1(01), 13–25. https://doi.org/10.20319/pijtel.2017.11.1427