Krishna Kumar, K. N. <br/><br/>
Prakruthi-Samajam-Saastram 

 - Hyderabad  Hyderabad Book Trust  1984 
 - 70p. 
<br/><br/><label>ISBN: </label> RS 1.75 
<br/><br/><label>Source: </label> RS 1.75 
<br/><br/><label>Dewey Class. No.: </label>301 KRI