بركات دز. The Gap between Students’ Perceptions and Their Expectations for The Level of Services Provided for Them by Al - Quds Open University from their viewpoint. التعليم المفتوح [Internet]. 2017 May 23 [cited 2024 Jul. 3];2(4). Available from: https://journals.qou.edu/index.php/jropenres/article/view/414