TREIAL, K. KiVa anti-bullying programme in Estonia – the results from a two year cluster-randomised pilot trial. Eesti Haridusteaduste Ajakiri. Estonian Journal of Education, [S. l.], v. 4, n. 2, p. 191–222, 2016. DOI: 10.12697/eha.2016.4.2.08. Disponível em: https://ojs.utlib.ee/index.php/EHA/article/view/eha.2016.4.2.08. Acesso em: 24 apr. 2024.