Oxford University Press <br/><br/>
Mathswise 

 - Delhi  Oxford university press pub  1991 
<br/><br/><label>ISBN: </label>019562467-x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Primary Education
<br/><br/><label>Dewey Class. No.: </label>372.7  / OXF