BARRERA M., C.; GUEVARA, J.; CÓRDOBA, K.; SÁNCHEZ, E.; GONZÁLEZ, K. Comparative diagnosis of the academic average in the seventh grade, of students from unigrade and multigrade elementary schools. Acción y Reflexión Educativa, [S. l.], n. 46, p. 244–260, 2021. DOI: 10.48204/j.are.n46a11. Disponível em: https://revistas.up.ac.pa/index.php/accion_reflexion_educativa/article/view/1970. Acesso em: 19 may. 2024.