Mohamed Mokhtar, M. I., and S. Che Haron. “A REVIEW OF THE FACTORS OF ANXIETY IN SPEAKING ARABIC LANGUAGE AND THE 4TH INDUSTRIAL REVOLUTION”. Journal of Islamic Educational Research, vol. 5, no. 1, Sept. 2020, pp. 1-10, https://mjlis.um.edu.my/index.php/JIER/article/view/26143.