Harr, Nora <br/><br/>
Integrating pedagogical content knowledge and pedagogical/psychological knowledge in mathematics.  [electronic resource] 

 -  Frontiers in psychology  2014 
 - 924 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1664-1078 
<br/><br/><label>Standard No.: </label>10.3389/fpsyg.2014.00924  doi