Sulartopo, S. ., Manongga, D. ., & Nugraha, A. . (2021). Internal Qualiy Assurance of Higher Education Using a Soft Systems Methodology Approach. International Journal of Sciences: Basic and Applied Research (IJSBAR), 58(2), 206–223. Retrieved from https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/12664