DEWEES, Anthony; EVANS, Elizabeth; KING, Carlos. La educación básica y parvularia. ECA: Estudios Centroamericanos, [S. l.], v. 49, n. 547-548, p. 411–435, 1994. DOI: 10.51378/eca.v49i549.7019. Disponível em: https://revistas.uca.edu.sv/index.php/eca/article/view/7019.. Acesso em: 24 may. 2025.