TY  - BOOK
AU  - G. K. Publication (P) Ltd.
TI  - GATE 2020 mechanical engineering 
SN  - 9788193975510
U1  - 378.1662 G4499g 
PY  - 2020///
CY  - New Delhi
PB  - G. K. Publication (P) Ltd.
KW  - GATE
KW  - Mechanical engineering
ER  -