Salas, S. L. <br/><br/>
Precalculus 

 - New York  John Wiley and Sons  1979 
 - 356p,  23cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>LC Class. No.: </label>QA39.2.S23