Pekrun, Reinhard. <br/><br/>
Happy fish in little ponds :  testing a reference group model of achievement and emotion / 
Reinhard Pekrun, Herbert W. Marsh, Kou Murayama, Thomas Goetz, and Anne C. Frenzel. 
 - Washington ;    American Psychological Association,  July 2019. 
 - volume 117, pages 166-185, 	  illustration. 
<br/><br/> Journal of Personality and Social Psychology vol. 117, no. 1, pages 166-185, July 2019. 
<br/><br/><label>Dewey Class. No.: </label>DPer 155.205 J826 July-September 2019 v. 117 n. 1-3