The purpose of this research is to assess the reliability of the quality assurance monitoring instrument in order to improve the presentation of supporting data for study program accreditation. A case study was chosen as the research method. Internal quality assurance measures at UNSOEDs Faculty of Economics and Business are the focus of this study. According to the findings of this study, the Faculty of Economics and Businesss quality assurance monitoring tool is valid and effective. This instrument can be used as a reference to complete the data tabulation required for the study program accreditation procedure.