SIREGAR, H.; LUBIS, A.; NASUTION, M. A.; NASUTION, I. K.; TANJUNG, T. Family size and marital age. Paediatrica Indonesiana, [S. l.], v. 25, n. 5-6, p. 107–11, 2019. DOI: 10.14238/pi25.5-6.1985.107-11. Disponível em: https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/2192. Acesso em: 19 apr. 2025.