TY  - GEN
AU  - Tekriwal, Gaurav
TI  - Speed calculation: ganit me assem safalta paay
SN  - 9789352663514
U1  - 512 23rd
PY  - 2022///
CY  -  New Delhi
PB  - Prabhat Paperbacks
KW  - MATHEMATICS:ALZEBRA
ER  -