NCERT <br/><br/>
Ganit ka Jadu-4: Chouthi Kaksha ke Liye Ganit ki Pathyapustak 

 - New Delhi   NCERT  2014 
<br/><br/><label>ISBN: </label>8174507175 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510 GAN