Ahmed, Z.  <br/><br/>
A complete key to S. U. Ahmed's  modern plane trigonometry / 
Z. Ahmed. 
 - 4th ed. 
 - Dacca :  The Star,  1970. 
 - 200 p. :  ill. ;  17 cm. 
<br/><br/>336  336 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plane trigonometry.
<br/><br/><label>Dewey Class. No.: </label>514.5 / S78m