TY  - BOOK
AU  - Khanna, S
AU  - Singh, Manjeet
AU  - Sethi, R S
TI  - Objective arithmetic @ your fingertips: for all competitive examinations
SN  - 9789391166250
U1  - 513 
PY  - 2022///
CY  - New Delhi
PB  - Global net publications
KW  - Number system
ER  -