Basic concepts of logic and ethics/ 
Donato Y. Maldemeca [and three others] 
 - Quezon City:  Katha Publishing,  1981. 
 - xii, 234 pages;  27 cm. 
<br/><br/> Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Book review
<br/><br/><label>LC Class. No.: </label>Fil LH 7 .M5 .B292 1981