Singh, N. K. <br/><br/>
Nagnasathyangal / 
by N. K. Singh 
 - Kochi :  Pen Books,  1997. Kocji :  Pen Books,  1997. 
<br/><br/><br/>In Malayalam 
<br/><br/><label>Subjects--Index Terms: </label>Biography N K Singh Sociology