FATHUR RAHMAN; WERI; CUT ZAKIA RIZKI; CUT RISYA VARLITYA; TALBANI FARLIAN. THE IMPACT OF HUMAN DEVELOPMENT INDEX (HDI), ELECTRICITY AND SANITATION INFRASTRUCTURE AVAILABILITY ON INCOME INEQUALITY IN SUMATERA ISLAND. International Journal of Educational Review, Law And Social Sciences (IJERLAS), [S. l.], v. 5, n. 1, p. 102–111, 2025. DOI: 10.54443/ijerlas.v5i1.2345. Disponível em: https://radjapublika.com/index.php/IJERLAS/article/view/2345. Acesso em: 22 feb. 2025.