Yadav, R. C <br/><br/>
Mental mathematics 1 : for class I 
By R. C. Yadav 
 - Gurgaon  Archna Publications (P) Ltd 
 - 80 p. : ill. ; 20 cm 
<br/><br/> Cosmos Bookhive's in front and back of the book cover 
<br/><br/><label>ISBN: </label>9788187631408 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics -- Problems, exercises, etc. -- Juvenile literature<br/>Mathematics -- Study and teaching (Elementary)
<br/><br/><label>Dewey Class. No.: </label>372.7 YAD