DeVellis, Robert F. <br/><br/>
Scale development : theory and applications / 
Robert F. DeVellis 
 - 3rd ed. 
 -  Sage Publications  2012 
<br/><br/>25584 
<br/><br/><label>ISBN: </label>9781412980449 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scaling (Social sciences)
<br/><br/><label>LC Class. No.: </label>H  / 61.27