Agapay, R.B. <br/><br/>
Logic:   the essentials of deductive reasoning / 
Ramon B. Agapay. 
 - Second edition. 
 - Mandaluyong City:  National Book Store,  c2007. 
 - 180 p.;  22 cm. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>971-08-6857-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.<br/>Reasoning.
<br/><br/><label>Dewey Class. No.: </label>GC 160 A259 2007