Raju, A. A. N. <br/><br/>
UDC theory & practice: a self instructional manual/ 
A. A. N. Raju 
 - New Delhi:  Ess Ess Publications,  2007. 
 - 258 p. 
<br/><br/><label>Dewey Class. No.: </label>025.432  / RAJ/U