De Castro, Leonardo D. <br/><br/>Ethics and logic:  Basic concepts/ Leonardo D. De Castro, Agerico M De Villa.--  -- Filipiniana Section  -- Quezon City:  Katha Publishing Co., Inc.  1993. <br/>x, 223 p.,;  23 cm <br/><br/><label>Subjects--Topical Terms: </label><br/>Ethics<br/>Logic<br/><br/><label>Dewey Class. No.: </label>Fil 170 C279 1993