Agapay, Ramon B. <br/><br/>
Logic  the essentials of deductive reasoning 
Ramon B. Agapay. 
 - Metro Manila  National Book Store  c1991. 
 - 214 p. 
<br/><br/><label>ISBN: </label>9710848917 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.
<br/><br/><label>Dewey Class. No.: </label>160 Ag 259 1991