TY  - BOOK
AU  - Chattopadhyay, Dinabandhu
AU  - Pal, Bidyut Kumar
TI  - CBCS mathematics: semester IV
SN  -  978-93-80673-98-1
U1  - 510 
PY  - 2020///, r2022
CY  - Kolkata
PB  - U.N. Dhar
KW  - MATHEMATICS
ER  -