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. IJERLAS [Internet]. 2025 Jan. 30 [cited 2025 Nov. 20];5(1):102-11. Available from: https://radjapublika.com/index.php/IJERLAS/article/view/2345