DeVellis, Robert F. <br/><br/>
Scale development :   theory and applications / 
by Robert F. DeVellis. 
 - Fourth edition 
 - xvii, 262 pages;  24cm 
 - Applied social research methods series .
<br/><br/><label>ISBN: </label>9781506341569 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social science<br/>Measurement<br/>Research
<br/><br/><label>Dewey Class. No.: </label>300.72 DEV