BILA DENNIS <br/><br/>
INTEGRATED ALGEBRA AND TRIGONOMETRY:  A MODIFIED PROGRAMMED APPROACH 

 - SA FRANCISCO:  RINEHART PRESS,  1974. 
<br/><br/><label>ISBN: </label>0030056160. 
<br/><br/><label>Dewey Class. No.: </label>512.13 BIL