Jacobs, Russell F. <br/><br/>
Introductory algebra 1 
Russell F. Jacobs 
 - 4th ed. 
 - Orlando  Harcourt Brace Jovanovich  1982 
 - 537 p. : ill. ; 26 cm. 
<br/><br/><label>ISBN: </label>015357870X 
<br/><br/><label>LCCN: </label>87-91990 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra--Study and teaching