Harmon, Brook E <br/><br/>
What Matters When Children Play: Influence of Social Cognitive Theory and Perceived Environment on Levels of Physical Activity Among Elementary-Aged Youth.  [electronic resource] 

 -  Psychology of sport and exercise  May 2014 
 - 272-279 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1469-0292 
<br/><br/><label>Standard No.: </label>10.1016/j.psychsport.2014.02.001  doi