Bettiknger, Alvin K.  Englund, John A. <br/><br/>
Algebra and trigonometry  x 

 - x 
 - Scranton  I.T.C.  1963 
 - xi, 356 
<br/><br/>x 
<br/><br/><label>ISBN: </label>x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry Trigonometry 
<br/><br/><label>Dewey Class. No.: </label>514/BEA