PERINAT, Adolfo. El desarrollo social en preescolar. EDUCAR, Cerdanyola del Vallès, Spain, v. 5, p. 21–29, 1984. DOI: 10.5565/rev/educar.619. Disponível em: https://educar.uab.cat/article/view/v5-perinat. Acesso em: 27 abr. 2025.