Thergaonkar, Lata <br/><br/>
Practice in mental maths : mathemind 

 - New Delhi:  Vikas, 
 - 40p.;  24cm 
<br/><br/><label>ISBN: </label>0-7069-8193-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Primary Education
<br/><br/><label>Dewey Class. No.: </label>372.7  / THE