Skaggs <br/><br/>
Test development and validation/ 
Skaggs 
 -  Sage publications, 
 - 408 pages 
<br/><br/><label>ISBN: </label>9781544377148 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research Methods
<br/><br/><label>Dewey Class. No.: </label>300.72  / SKA