Affandi, Faisal, and Hamonangan. “An Islamic Economic Perspective on the Implementation of Progressive Taxation to Address Income Inequality in Indonesia”. el-Jizya: Jurnal Ekonomi Islam 13, no. 2 (November 12, 2025): 183–202. Accessed June 5, 2026. https://ejournal.uinsaizu.ac.id/index.php/eljizya/article/view/13622.