Sivasankaran, M. <br/><br/>
Paristhithi parichayakosham 

 - 
 - Kochi  Kerala Sastra Sahitya Parishad  2000 
 - 220p.   
<br/><br/>   
<br/><br/><label>ISBN: </label>
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<br/><br/><label>Subjects--Index Terms: </label>Enviroment  Environment  Ecology  Environmental movement  Environmental policy  Environmental production  pesticides 
<br/><br/><label>Dewey Class. No.: </label>577.4=M