Raghavan, Nambiar, K <br/><br/>
Course book on environmental studies 

 -   Nalpat Publishers, Kochi  2009 
 - 321 
<br/><br/><label>ISBN: </label>1995 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Sanitary and municipal engineering, Environmental protection engineering
<br/><br/><label>Dewey Class. No.: </label>628  RAG-C