Olweus, Dan <br/><br/>
Long-term school-level effects of the Olweus Bullying Prevention Program (OBPP).  [electronic resource] 

 -  Scandinavian journal of psychology  Feb 2020 
 - 108-116 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1467-9450 
<br/><br/><label>Standard No.: </label>10.1111/sjop.12486  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Awareness<br/>Bullying--prevention & control<br/>Child<br/>Female<br/>Humans<br/>Male<br/>Norway<br/>Program Evaluation<br/>Schools<br/>Social Environment<br/>Students<br/>Surveys and Questionnaires