OPEN Univeristy of Sri Lanka <br/><br/>
Course of study to the degree of bachelor of science level 3-chemistry PSUIIC2-p 

 - Nugegoda  The Open University of Sri Lanka  1985 
 - 93 p. 
<br/><br/><label>ISBN: </label>103092 
<br/><br/><label>Dewey Class. No.: </label>541  / OPE