Dustin, David S  1936, <br/><br/>
How psychologists de research :  The example of anxiaty 

 - 108 páginas 
 - Prentice-Hall series in experimental psychology .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ansiedad<br/>Psicología--Investigación
<br/><br/><label>LC Class. No.: </label>BF575.A6  / D87