Artigas, Mariano, <br/><br/>
The Ethical Nature of Karl Popper's Theory of Knowledge : 

 -  Peter Lang Group Ag, International Academic Publishers,  1999. 
 - 164 pages 
<br/><br/><label>ISBN: </label>9780820446066 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Philosophy.
<br/><br/><label>Dewey Class. No.: </label>121.092  / ART