Lal, Harmesh  <br/><br/>
Teaching Aids in Mathematics for Middle and High School Students 

 - New Delhi:    NCERT,  2004. 
 - 102p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children Collection<br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>011.62 LAL