New century books of numbers 
New Century Book House Ltd 
 - Chennai  New Century Book House Ltd 
 - 7p. : ill 
<br/><br/><label>ISBN: </label>9788123411439 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>371.3352 NEW