AN ANALYSIS OF THE CONCEPT OF JUSTICE (ʿADL) IN THE ISLAMIC ECONOMIC SYSTEM: A CASE STUDY OF PRODUCTIVE WAQF IN INDONESIA. IZZI: Jurnal Ekonomi Islam [Internet]. 2026 Sep. 30 [cited 2026 Oct. 21];6(3):129-33. Available from: https://e-journal.ibama.ac.id/index.php/jizzi/article/view/451