Verma, Asha. <br/><br/>
Children's strategies to solve addition and subtraction problems in early school years / 
Asha Verma 
 - New Delhi :  Jawaharlal Nehru University,  2002. 
<br/><br/>M.Phil - ZHCES, SSS, JNU, 2002. 
<br/><br/><label>ISBN: </label>1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Dissertation
<br/><br/><label>Dewey Class. No.: </label>372.7044  / V59 Ch