Taylor, Stephen G <br/><br/>
The Relation Between Early Adolescent Physical Activity and Internalizing Problems: Variations in Exercise Motivations as a Critical Moderator.  [electronic resource] 

 -  The Journal of early adolescence  May 2020 
 - 662-688 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0272-4316 
<br/><br/><label>Standard No.: </label>10.1177/0272431619870612  doi