Mahfuzd, Ali,  1942- <br/><br/>
Bahaya bid'ah dalam Islam / 
Ali Mahfuz Ja'far Sujarwo 
 - Surabaya :  Pustaka Progressif /  1985 
 - 636 p. ;  20 cm. 
<br/><br/>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heresies and heretics, Islamic