Analysis of Inter-Regional Economic Development Inequality in Indonesia: Williamson Index Approach and Determinant Factors. Journal of Economic Trends and Management, [S. l.], v. 1, n. 2, p. 50–58, 2025. Disponível em: https://pppii.org/index.php/jem/article/view/42. Acesso em: 30 aug. 2025.