Elvia Laili Putri, Saefurrohman GU, Pratomo D. The Effect Of Industrial Agglomeration, Education Level, Population And Labor On Regional Income Inequality In Sumatera Island (Panel Data Analysis 2015 – 2024) From The Perspective Of Islamic Economics. AJEKBS [Internet]. 2025 Jul. 3 [cited 2026 Apr. 27];7(7):2403 -. Available from: https://journal-laaroiba.com/ojs/index.php/alkharaj/article/view/8260