Betting, Alvin K. <br/><br/>
Algebra and Trigonometry / 
Alvin K. Betting and John A. Englund,  
 - United states of America :  International Textbook Company,  1963. 
 - 356p. :  ill. ;  23cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agebra<br/>Trigonometry
<br/><br/><label>Dewey Class. No.: </label>512.13  / BET 1963