Siregar, Tikwan, Sri Milfayetty, Darwini, and Rosmita Sari Siregar. 2021. “Model for Improving the Commitment to Implementation of the Educational Quality Assurance Policy”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 55 (2):92-102. https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/12272.