AL-SIFAW, Saeed Ahmed Saeed; ABDULLAH, Abdul Hakim. Designing of a conceptual framework for the obstacles to implementing e-learning in teaching chemistry in Nalut Libyan high schools. Journal of Educational and Psychological Sciences, New Mexico, United States, v. 4, n. 5, p. 232–214, 2020. DOI: 10.26389/AJSRP.D210120. Disponível em: https://www.ajsrp.ojsexpert.com/index.php/jeps/article/view/2221. Acesso em: 21 dec. 2025.