Childress, Robert L.  <br/><br/>
Fundamentals of finite mathematics 
Childress, Robert L.  
 - Englewood Cliffs, N. J.   Prentice-Hall,  c1976. 
 - xvi, 544 p. : 
<br/><br/><label>ISBN: </label>0133393259 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.
<br/><br/><label>LC Class. No.: </label>QA39.2  / .C45