Singh, A. K., <br/><br/>
Tests, measurements and research methods in behavioural sciences 
by A. K. Singh 
 - 2nd. 
 - Patna:  Bharati Bhawan,997. 
 - 498p:  23cm. 
<br/><br/><label>Subjects--Index Terms: </label>Psychology Tests, measurements and research methods in behavioural sciences 
<br/><br/><label>Dewey Class. No.: </label>150