BETZ, WILLIAM <br/><br/>
ALGEBRA FOR TODAY :   SECOND COURSE / 
WILLIAM BETZ 
 - BOSTON :   GINN AND COMPANY ;  1931. 
 - 502 p.  20 cm. 
<br/><br/>Incluye referencias bibliográficas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ALGEBRA
<br/><br/><label>LC Class. No.: </label>QA152   / B48