Helmina Ardyanfitri and Wilma Cordelia Izaak 2023. IMPLEMENTATION OF TOTAL QUALITY MANAGEMENT (TQM) IN IMPROVING MANAGERIAL PERFORMANCE IN POST-MERGER SYARIAH BANK INDONESIA . Journal of Economics, Business, and Government Challenges. 6, 01 (Jun. 2023). DOI:https://doi.org/10.33005/ebgc.v6i01.246.