Role of educational science teachers. Revista Universidad de Guayaquil, [S. l.], v. 53, n. 2, p. 373–391, 1983. DOI: 10.53591/rug.v53i2.924. Disponível em: https://revistas.ug.edu.ec/index.php/rug/article/view/1028. Acesso em: 5 dec. 2025.