Varandani, N S <br/><br/>
Environmental engineering  Principles and practives 

 - India  Pearson  2017 
 - 574pp. 
<br/><br/> Environmental microbiology, Waste waters, Noise, Air pollution 
<br/><br/><label>ISBN: </label>978-93-325-8195-1 
<br/><br/><label>Dewey Class. No.: </label>628.1  / VAR