title: Bullying at school. Basic facts and an effective intervention programme.
authors: Department of psychosocial science, University of Bergen, Norway.
authors: D
authors: D
authors: Olweus
mesh_terms: D000293:Adolescent; D000294:Adolescent Behavior; D000374:Aggression; D002648:Child; D002652:Child Behavior; D005260:Female; D006801:Humans; D008297:Male; D010379:Peer Group; D012944:Social Support; D014754:Violence / Q000517:prevention & control