Devellis Robert F <br/><br/>
Scale development    Theory and applications    
Devellis Robert F 
 - London  Sage U K          1991 
 - 121p. Bib p. 115-18  cm. 
 - Applied Social Research Methods Series, 26 .
<br/><br/><label>ISBN: </label>080393775X 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Sciences
<br/><br/><label>Dewey Class. No.: </label>SigmaObB, N1