Johnston, C. L.  1911- <br/><br/>
Essential algebra / 
C.L. Johnston, Alden T. Willis, Jeanne Lazaris 
 - 7th ed 
 - Boston :  PWS,  1994 
 - xvii, 650, A99 p ;  28 cm 
 - The Johnston-Willis series .
<br/><br/>Includes Index 
<br/><br/><label>ISBN: </label>0534944949 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra
<br/><br/><label>Dewey Class. No.: </label>512  / JOH 1982