“THE INFLUENCE OF AL-KASBU ON SA’ADATUL UMMAL IN ISLAMIC BANKS IN EAST KALIMANTAN PROVINCE”. FIKRUNA: Jurnal Ilmiah Kependidikan dan Kemasyarakatan 7, no. 1 (December 24, 2024): 405–425. Accessed April 29, 2026. https://ejournalstitibnurusyd.id/index.php/FIK/article/view/370.