OPEN University of Sri Lanka <br/><br/>
Course of study leading to the degree of bachelor of science- level 4 PSU 113: i 

 - Sri Lanka  The Open University of Sri Lanka  1988 
 - vi, 82 p. 
<br/><br/><label>ISBN: </label>139380 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inorganic chemistry
<br/><br/><label>Dewey Class. No.: </label>546  / OPE