SAPUTRO, A. D.; AISYAH, S. The Analysis of Income Gap in Lower Middle-Income Countries. Journal of Economics Research and Social Sciences, [S. l.], v. 7, n. 1, p. 12–20, 2023. DOI: 10.18196/jerss.v7i1.16606. Disponível em: https://journal.umy.ac.id/index.php/jerss/article/view/16606. Acesso em: 17 may. 2025.