Chemistry workbook : Science and technology for a better life 3 
Magno, M.C. 
 - Second edition. 
 -  Diwa Learning systems, Inc.  1995 
 - 97 pages ;. 
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<br/><br/><label>ISBN: </label>9-71480019-6 
<br/><br/><label>Dewey Class. No.: </label>F 540.2 M27c 1995