Sivakumar, M <br/><br/>
Principles of environmental science and engineering : for vii semester civil, mechanical, ECE, CSE, IT, and all branches 

 - Tamil Nadu  Lakshmi Publications  2005 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecosystem<br/>Environmental engineering<br/>Environmental management<br/>Environmental science<br/>Pollution control act -- Air and water