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. Journal of Managerial Sciences and Studies, [S. l.], v. 1, n. 2, p. 169–180, 2023. DOI: 10.61160/jomss.v1i2.9. Disponível em: http://jomss.org/index.php/jomss/article/view/9. Acesso em: 9 dec. 2025.