Griffiths, A.L. <br/><br/>
Seven a day / 
by A.L. Griffiths. 
 - 12th ed. 
 - London :  Oliver & Boyd,  1997. 
 - 80 p. :  ill., col ;  25 cm. 
 - Mathematics counts .
 - Mathematics counts .
<br/><br/>Number -- money -- lenght -- mass -- capacity -- time. 
<br/><br/><label>ISBN: </label>0050039245 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.<br/>Numbers.