De Castro, Leonardo D.  <br/><br/>
Ethics and logic :  basic concepts /  
Leonardo D. De Castro, Agerico M. De Villa.  
 - Quezon City :  Katha Publishing,   c1993. 
 - xii, 223 p. :  ill.  
<br/><br/>
<br/><br/><label>Dewey Class. No.: </label>Fil 166 D355 1993