Patro, L. <br/><br/>
Environmental Mgt.system / 
L Patro 
 - 1st Edition 
 - Chennai :  Sonali ,  2022 
 - 116 pages 
<br/><br/><label>ISBN: </label>9788184112771 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Science
<br/><br/><label>Dewey Class. No.: </label>363.7  / PAT