Drooyan, Irving. <br/><br/>
Intermediate algebra / 
Irving Drooyan, Katherine Franklin. 
 - 7th ed. 
 - Belmont, Calif. :  Wadsworth Pub. Co.,  c1991. 
 - xi, 498, 64 p. :  ill. ; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0534149049 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra.
<br/><br/><label>LC Class. No.: </label>QA152.2  / .D764 1991