SJAMSIJAH. The Association of Toddler-Aged Children’s Social Development with Parents’ Educational Background and Family Income. Health Research Journal, [S. l.], v. 3, n. 3, p. 54–58, 2025. Disponível em: https://jurnal.cakrabirawamedia.com/index.php/hrj/article/view/145. Acesso em: 20 apr. 2026.