NGENZI, S. S. Challenges of E-learning in Open and Distance Learning (ODL): The Case of the Open University of Tanzania. JOURNAL OF ISSUES AND PRACTICE IN EDUCATION, [S. l.], v. 4, n. 1, 2012. DOI: 10.61538/jipe.v4i1.241. Disponível em: https://journals.out.ac.tz/index.php/jipe/article/view/241. Acesso em: 7 jul. 2025.