Butakor, P. K., T. Kakutia, S. M. Mucammad Shah, and E. Hunt. “Higher Education Challenges in the Era of Covid-19, from the Perspective of Educators and Students (Ghana, Georgia and Pakistan Cases) – A Literature Review”. European Scientific Journal, ESJ, Vol. 12, Dec. 2022, p. 21, https://eujournal.org/index.php/esj/article/view/16197.