Agapay, Ramon B. <br/><br/>
Logic :  the essentials of deductive reasoning / 
Ramon B. Agapay. 
 - 216 pages ;  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--Study and thinking.<br/>Reasoning.<br/>Critical thinking.