Agapay, Ramon B. <br/><br/>
Logic: the essential of deductive reasoning / 
Ramon B. Agapay 
<br/><br/> CAS  Bachelor of Science in Psychology 
<br/><br/><label>ISBN: </label>971-08-4891-7 
<br/><br/><label>Dewey Class. No.: </label>150 Ag15