Alvira, Tomas. Clavell, Luis. Melendo, Tomas. <br/><br/>
Metaphysics :  Understanding the Science of Being  / 

 - Manila :  Sinag - Tala,  1990. 
 - xii, 249 p. 
<br/><br/><label>Dewey Class. No.: </label>110  / ALV