Merttens, Ruth <br/><br/>
Abacus evolve 3:   Textbook 2 
Ruth Merttens and David Kirkby 
 - Oxford:  Harcourt Educational,  2005. 
 - 80p.;  ill.,  cm 
<br/><br/><label>ISBN: </label>9780602315245 0602315247 0602315301 0602315220 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abacus evolve 
<br/><br/><label>Dewey Class. No.: </label>372.7