AHMADI, J, and S NOURABADI. “Implementation Barriers in Virtual Education in Payame Noor University in Iran”. Utopía y Praxis Latinoamericana 25, no. 1 (May 17, 2020): 202-210. Accessed November 12, 2025. http://www.produccioncientifica.luz.edu.ve/index.php/utopia/article/view/32103.