Howes, Vernon E. <br/><br/>
Pre-calculus mathematics  : a programmed text 

 - New York:  John Wiley,  1967. 
 -  555p. 
<br/><br/><br/>Eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra-Programmed instruction
<br/><br/><label>Dewey Class. No.: </label>512  / HOP