Bahm, L.H <br/><br/>
The new trigonometry on your own 
L.H.Bahm 
 - New Jersey  Littlefield Adams  1966 
 -  135p. 
<br/><br/><br/>eng. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry
<br/><br/><label>Dewey Class. No.: </label>516.24  / BAN