Hettema, P J <br/><br/>
[Personality traits, processes and personality tests].  [electronic resource] 

 -  Nederlands tijdschrift voor de psychologie en haar grensgebieden  Dec 1967 
 - 618-41 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0028-2235 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Behavior<br/>Humans<br/>Personality Assessment