Institute of cemis,ceylon; ICC, Sri Lanka <br/><br/>
Chemist & the environment 

 - N<br/>  Institute of chemistry 
 - 85p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Other social problems and services
<br/><br/><label>Dewey Class. No.: </label>363.738  / INS