Dolan, Stan.  <br/><br/>
Money and number :  the school mathematics project / 
Stan Dolan, Ron Haydock and Paul Roder. 
 - Cambridge :  Cambridge University press,  c 1993. 
 - 93 p. :  ill. 
<br/><br/><label>ISBN: </label>052144733x 9780521447331 
<br/><br/><label>Dewey Class. No.: </label>510