Washington, Allyn J. <br/><br/>
Essentials of algebra / 
Allyn J. Washington 
 - Manlo Park, Calif. :  Cummings,  1973 
 - 278 p. ;  24 cm. 
<br/><br/><label>LCCN: </label>72-97624 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra