A Study of Communication Barriers in Open Distance Learning System of Education: Samra Anjum1 Rahmat Ullah Bhatti2 Muhammad Javed Iqbal3. PJDOL, [S. l.], v. 6, n. 1, 2023. DOI: 10.30971/pjdol.v6i1.343. Disponível em: https://ojs.aiou.edu.pk/index.php/pjdol/article/view/343. Acesso em: 9 may. 2024.