Tyagi, S. K. <br/><br/>
Teaching of Arithmetic 
S.K.Tyagi 
 -  Ajay Verma For Commonwealth Publishers, 2008 
 - 294 Pages 
<br/><br/><label>ISBN: </label>817169828X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>372.72 TYA