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. DOI: 10.4314/njp. Disponível em: https://njpaediatrics.com/index.php/njp/article/view/21.. Acesso em: 29 apr. 2026.