Nunnally, Jum C. <br/><br/>
Educational measurement and evalution 

 - 2nd ed 
 - New York  McGraw-Hill  1964 
 - x,598p.   
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<br/><br/><label>ISBN: </label>
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<br/><br/><label>Subjects--Index Terms: </label>Education 
<br/><br/><label>Dewey Class. No.: </label>37.015