Santra , S C, <br/><br/>
Environmental science 
by S C Santra 
 - 3rd ed. /   rep. ed. 
 - Kolkata:  New Central Book Agency,  2018. 
 - xxx ;1529p. 
<br/><br/><label>ISBN: </label>9788173814044 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sanitary & municipal engineering
<br/><br/><label>Dewey Class. No.: </label>628