KOSTIKOVA, I.; GUZENKO, N. Bullying Prevention at Schools in Ukraine. Educational Challenges, Kharkiv, UA, v. 29, n. 2, p. 166–180, 2024. DOI: 10.34142/2709-7986.2024.29.2.11. Disponível em: https://www.educationalchallenges.org.ua/index.php/education_challenges/article/view/304. Acesso em: 7 jun. 2026.