Donval, Albert. <br/><br/>
La moral cambia. 

 - Santander, Espaņa   Sal Terrae  1977 
 - 108 p.     18 cm. 
<br/><br/><label>ISBN: </label>84-293-0490-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ETICA.
<br/><br/><label>Dewey Class. No.: </label>241/D719m