Yusuf, S. M. <br/><br/>
An essay on the sunnah :  its importance, transmission, development and revision / 
S. M. Yusuf 
 - Lahore :  Institute of Islamic Culture,  1966 
 - 49 p. ;  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sunna