OPEN University of Sri Lanka <br/><br/>
	Course of study leading to the degree of bachelor of science-level 5 PSU 3119-topics in industrial chemistry-part 2 ceme / 

 - Nugegoda  The Open University of Sri Lanka  1990 
 - Various paging. 
<br/><br/><label>ISBN: </label>9552300452 
<br/><br/><label>Dewey Class. No.: </label>660  / OPE