Suretno, Sujian, and Sugeng Ribowo. “ANALISIS KONSEP INVESTASI DALAM ISLAM”. Ad-Deenar: Jurnal Ekonomi dan Bisnis Islam 6, no. 02 (September 30, 2022): 343–354. Accessed February 1, 2026. https://www.jurnal.staialhidayahbogor.ac.id/index.php/ad/article/view/3059.