Tolep, Abdimukhan, and Moldir Kyzdarbek. “Exploring the Relationship Between Cyberbullying and Self-Concept Among School Children in Physical Education”. Retos 70 (August 5, 2025): 1169–1181. Accessed November 7, 2026. https://www.revistaretos.org/index.php/retos/article/view/117076.