VELÁSQUEZ DÍAZ, Luis. Analysis of the Income of the Inhabitants in the Urban Area of El Salvador 2018-2021. Realidad Empresarial, [S. l.], n. 20, p. e9033, 2025. DOI: 10.51378/reuca.vi20.9033. Disponível em: https://www.camjol.info/index.php/reuca/article/view/22271. Acesso em: 3 apr. 2026.