Drooyan, Irving. <br/><br/>
Algebra elemental / Irving Drooyan ; Walter Hadel ; Frank Fleming. 

 - México, México   Limusa  1976 
 - 490 p.     23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ALGEBRA.
<br/><br/><label>Dewey Class. No.: </label>512/D837a