et. al., Edwin F. Cárdenas Cárdenas,. “Distance Higher Education through Effective Communication: A Current Need”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 12 (May 24, 2021): 88–94. Accessed May 3, 2024. https://turcomat.org/index.php/turkbilmat/article/view/7262.