OPEN University of Sri Lanka <br/><br/>
Course of study leading to the degree of bachelor of science level three-chemist 

 - Nugegoda  The Open University of Sri Lanka  1984 
 - (v.1-176 p.) 
<br/><br/><label>ISBN: </label>103044 
<br/><br/><label>Dewey Class. No.: </label>547  / OPE