Agapay, R.B. <br/><br/>
Logic:   the essentials of deductive reasoning / 
Ramon B. Agapay. 
 - Mandaluyong City:  National Book Store,  c1991. 
 - 214 p.;  22 cm. 
<br/><br/> Includes bibliographical references 
<br/><br/><label>ISBN: </label>971-08-4891-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.
<br/><br/><label>Dewey Class. No.: </label>GC 160 A259 1991