Alcívar, C. M. M., C. E. S. Menéndez, and A. D. Z. Valencia. “Motivation and Its Importance in the Classroom Learning Process and Teaching”. International Research Journal of Engineering, IT & Scientific Research, vol. 7, no. 4, July 2021, pp. 148-54, doi:10.21744/irjeis.v7n4.1881.