Bills Robert E. <br/><br/>
System for assessing affectivity 

 - Alabama  University of Alabama Press   1975 
 - viii,232p. 
<br/><br/><label>ISBN: </label>0-8173-9106-1 
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education - Psychology