Dishkova, Mariya, and Rumyana Papancheva. “Digital Skills and the Cyber Addiction at Primary School”. New Trends and Issues Proceedings on Humanities and Social Sciences 6, no. 2 (August 20, 2019): 22–31. Accessed April 19, 2024. https://un-pub.eu/ojs/index.php/pntsbs/article/view/4279.