Keedy, Mervin Laverne. <br/><br/>
Developmental mathematics  TASP version 
Mervin L. Keedy, Marvin L. Bittinger. 
 - 2nd ed. 
 - Reading, Mass.  Addison-Wesley Pub. Co.  c1989. 
 - 1 v. (various pagings)  ill. (some col.)  27 cm. 
<br/><br/><label>ISBN: </label>0201503557 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra.<br/>Arithmetic.