To be logical 
Calalang, Bayani Antonio V., Jr. 
 -  Books Atbp. Publishing Corp.,  2011 
 - xi, 147 pages 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.
<br/><br/><label>Dewey Class. No.: </label>F 160 C141 2011