Dody Suhermawan, Mahjudin Mahjudin, Djoko Soelistya. IMPACT OF FUNDAMENTAL MACROECONOMIC FACTORS, COST EFFICIENCY, FIRMS POLICIES WITH SYSTEMATIC RISK AS MEDIATOR ON ISLAMIC FINTECH WELFARE PERFORMANCE : EVIDENCE FROM AN INDONESIA’S ISLAMIC FINTECH INSTITUTION. jomss [Internet]. 2023 Aug. 11 [cited 2025 Sep. 13];1(2):1-11. Available from: http://jomss.org/index.php/jomss/article/view/9