Simplified analytic geometry : (worktext) 
Panopio, Felix M. 
 -  Trinitas Publishing, Inc.,  2005 
 - 263 pages 
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<br/><br/><label>ISBN: </label>9-71420611-1 
<br/><br/><label>Dewey Class. No.: </label>F 516.3 P19s 2005