Agrawal R S. <br/><br/>
Objective arithmetic 

 - New Delhi :  S Chand Publication,  1994 
 - 635. 
<br/><br/><label>ISBN: </label>8121907411  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Elementary education
<br/><br/><label>Dewey Class. No.: </label>372.72  / AGR