A Revised Scoring Scheme for the Classification of Socio - economic Status in Nigeria. NIGERIAN JOURNAL OF PAEDIATRICS, [S. l.], v. 48, n. 1, p. 26–33, 2021. Disponível em: https://www.njpaediatrics.com/index.php/njp/article/view/21.. Acesso em: 4 apr. 2025.