Higher Mathematics, First Paper classe xi-xii / 
অক্ষর পত্র পাবলিকেশন 
 - 4th 
 - 560p. ;  24cm. 
<br/><br/><label>Subjects--Topical Terms: </label>--sciences and mathematics--mathematics
<br/><br/><label>Dewey Class. No.: </label>516.36  / hig 2019 c1