ontwikkelings psychologie; changes in development and education
By: Sanne Wessteijn
p1; Juvonen en Graham (2014) Bullying in Schools: The Power of Bullies and the Plight of Victims,
P1: Artikel Vreeman & Carroll: a systematic review of school-bases interventions to prevent bullying,
P1: Artikel Jiménez-Barbero: effectiveness of anti-bullying school programs: a meta-analysis -> Meta-analyse
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