Singh, R. S. <br/><br/>
Research methods and statistical techniques  [manuscript] / 
by R.S. Singh. 
 - New Delhi:  Anmol Publisher. ;  c2013. : 
 - viii, 352 p ;  24 cm. 
<br/><br/><label>ISBN: </label>9788126153268 (pbk)  295:00 Birr