Yusuf S.M <br/><br/>
Key to Mathematical methods 
S. M. Yusuf 
 - Lahore  Ilmi Kitab Khana Urdu Bazar, Lahore  
 - iv, 776p. :  ill. :  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label>--EE, EL
<br/><br/><label>Dewey Class. No.: </label>510 YUS