Carman, Robert A. <br/><br/>
Basic mathematical skills :  a guided approach / 
Robert A. Carman and Marilyn J. Carman 
 - New York :  Wiley,  1975 
 - xii, 528 p. :  ill. ;  28 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0471134953 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic--1961<br/>Arithmetic--Programmed instruction