Abu Bakr Siraj Ed-Din <br/><br/>
Book of certainty 
Abu Bakr Siraj Ed-Din 
 - London  Rider   1952 
 - 108p.  20cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Certainty<br/>Epistemology theory of Knowledge
<br/><br/><label>Dewey Class. No.: </label>121.63  / ABU