Kuncoro Catur Nugroho, Zainul Wasik, MahjudinMahjudin and Dody Suhermawan 2023. Indonesia Islamic Financial Institution’s Cost efficiency and Welfare Performance : Evidence from Economic’s Recovering Country . Journal of Managerial Sciences and Studies. 1, 1 (Jun. 2023), 26–39. DOI:https://doi.org/10.61160/jomss.v1i1.2.