Mitigating the Challenges of Open and Distance Learning Education System through Use of Information Technology: A Case Study of Allama Iqbal Open University Islamabad, Pakistan: Syed Imran Haider, Muhammad Ali . PJDOL [Internet]. 2023 Feb. 6 [cited 2024 May 17];5(2). Available from: https://ojs.aiou.edu.pk/index.php/pjdol/article/view/265