Manivasakam; N. <br/><br/>
We breathe and drink posion(environmental pollution)  English 

 - New Delhi  National book trust  1995 
 - 105 pg. 
<br/><br/><label>ISBN: </label>81-237-1488-2. 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Home Science
<br/><br/><label>Dewey Class. No.: </label>614.71 M31W