Devellis, Robert F. , <br/><br/>
Scale development: theory and applications   
by Robert F. Devellis 
 - 3rd ed.   
 - London  Sage Publications  2012 
 - ix, 205p. :  ill;  22 cm. 
 -   
 -   .
 - Applied social research methods series ; 26. .
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781412980449 
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<br/><br/><label>Nat. Bib. No.: </label>  
<br/><br/><label>Nat. Bib. Agency Control No.: </label>  
<br/><br/><label>Subjects--Meeting Names: </label><br/>  
<br/><br/><label>Subjects--Index Terms: </label>Social sciences Scaling 
<br/><br/><label>LC Class. No.: </label> /  
<br/><br/><label>Dewey Class. No.: </label>300.72 DEV