Professional <br/><br/>
Air (Prevention and Control of pollution) act,1981 

 - 1st ed. 
 - Delhi  Professional  2020 
 - vi,56p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air Pollution,<br/>Pollution.
<br/><br/><label>Dewey Class. No.: </label>333.92   / PRO