Childress, Robert L <br/><br/>
Fundamentals of finite mathematics 
<label>/ by </label> Childress, Robert L 
 - Englewood Cliffs  N.J. Prentice- Hall  1976 
 - xvi, 544p.  22 cm. 
<br/><br/><label>ISBN: </label>0133393259 
<br/><br/><label>Dewey Class. No.: </label>510  / CHI