TY  - BOOK
AU  - Nag,Kesab Chandra
TI  - Elective Mathematices
U1  - 512 
PY  - 1968///
CY  - Calcutta
PB  - Calcuta Book House
KW  - Education
KW  - শিক্ষাবিজ্ঞান
N1  - H.S Question Paper.Part-1,Class-IX
ER  -