Kells, Lyman M <br/><br/>
College algebra / 
by Lyman M Kells 
 - New Jersy :  Prentice-Hall Inc,  1957. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pedagogical algebra-- Mathematics
<br/><br/><label>Dewey Class. No.: </label>512.9  KEL-C