Das, Subir <br/><br/>
Competitive mathematics/ 
by Subir Das 
 - 6th ed. 
 - Kolkata:  Chhaya Prakashani,  2022. 
 - 1016p.:  ills., charts;  26cm. 
<br/><br/><label>ISBN: </label>9788198233226  Rs.675.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MATHEMATICS
<br/><br/><label>Dewey Class. No.: </label>510.76  / DAS/C