Robert F. Devellis <br/><br/>
Scale development:theory and applications 

 - London  Sage Publications  1991 
 - 121p 
<br/><br/>Robert F. Devellis: Scale development:theory and applications.  London.  Sage Publications, 1991. 0-8039-3775-X--(300.72DEV)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-8039-3775-X 
<br/><br/><label>Dewey Class. No.: </label>300.72  / DEV