Simplified algebra 
Tordillo, Jas. 
 - Revised edition. 
 -  Tordillo Publishing.  2014 
 - various pages 
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<br/><br/><label>ISBN: </label>978-9-71919316-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machine design -- Examinations, questions, etc.
<br/><br/><label>Dewey Class. No.: </label>F 621.818 T677 2012