Singh, A. K, <br/><br/>
Tests, Measurments and research methods in behavioral sciences 
by A. K. Singh 
 - 5th rev ed. 
 - New delhi:  bharati bhawan pub,  2015. 
 - 616p:  21cm. 
<br/><br/><label>ISBN: </label>9788177097436 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Behavioural science<br/>Research methods
<br/><br/><label>Dewey Class. No.: </label>300.72