Demir, Ahmet, and Sinan Guven. “The Influence Of ISO Certificate On Quality Evaluation Of Students: A Case Study At Ishik University”. Advances in Social Sciences Research Journal 4, no. 3 (February 15, 2017). Accessed May 18, 2024. https://journals.scholarpublishing.org/index.php/ASSRJ/article/view/2715.