Arrocha Gómez, T. A., and E. A. Hernández Bernal. “IMPACT OF DIDACTIC STRATEGIES ON THE LEARNING OF FIRST DEGREE EQUATIONS WITH AN UNKNOWN”. Societas, vol. 25, no. 1, Jan. 2023, pp. 157-79, https://revistas.up.ac.pa/index.php/societas/article/view/3497.