Lal, C <br/><br/>
Granthalaya evam suchana vigyan UGC (Net) pareeksha guide: Prasan-patra Tritiya (vastunisht) 

 - New Delhi  Ess Ess Publications  2013 
 - 210 p. 
<br/><br/><label>Dewey Class. No.: </label>020.711 L15G