Supplementary Reader on Persistent Bio- accumulative and Toxic Chemicals 

 - Sri Lanka  Ministry of Environment  2022 
 - 184p. 
<br/><br/><label>ISBN: </label>9786245817238 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental &amp; public safety problems
<br/><br/><label>Dewey Class. No.: </label>363.738  / SUP