N. M. . Obilor, M. C. . Diyoke, and C. O. . Awogu, “Opportunities and Challenges in Distance and Online Education in Covid-19 Era, Lessons for Developing Countries: A Study of Nigeria Students in Various Universities”, OM&S, vol. 3, pp. 26–35, Oct. 2022, doi: 10.71016/oms/k7z1ab23.