Ebel ,Robert L. <br/><br/>
Essentials of educational Measurement 

 - 5th ed,. 
 - New Delhi  PHL Learning Pvt Ltd  1991 
 - xii, 370 p 
<br/><br/><label>ISBN: </label>9788120307001 
<br/><br/><label>Dewey Class. No.: </label>371.26