Parameswaran C R <br/><br/>
Nammude aavasavyavastha:  pathimoonnu rashtreeya sambhashanangal/ 
by Parameswaran C R 
 - Kottayam:  DC,  2017. 
 - 111p. 
<br/><br/><label>ISBN: </label>9789386560728 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Science <br/>Social Sciences
<br/><br/><label>Dewey Class. No.: </label>M 333.7  / PAR/N