Aruna Bandara <br/><br/>
General Chemistry Elementary Tutor  1st Edti 

 - 2011 1st edti 
 - Colombo  ab Publishers  2011 
 - 167p. 
<br/><br/><label>ISBN: </label>9789550753093 
<br/><br/><label>Dewey Class. No.: </label>540  / Aru