ALTMANN, Harold. Weber, Evelyn (1970). <i>Early Childhood Education: Perspectives on Change</i>. Canadian Journal of Counselling and Psychotherapy, [S. l.], v. 6, n. 2, 1972. Disponível em: https://cdm.ucalgary.ca/index.php/rcc/article/view/60854. Acesso em: 3 jan. 2026.