TY  - BOOK
AU  - Narayan, Shanti & Mittal, P K 
TI  - Integral calculus
SN  - 9788121906814
U1  - 515.43 NAS I 
PY  - 2020///
CY  - New Delhi
PB  - S Chand & Com.
KW  - Bioscience
KW  - E1770
ER  -