Environmental progress 

 - Washington, D.C.  American Chemical Society  1982 
 - Quarterly 
<br/><br/> UKM: v.6-8 (1987-1989). University Book Store, Petaling Jaya 
<br/><br/><label>ISSN: </label>0278-4491 
 = Environmental progress Environmental progress 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental engineering--Periodicals