TY  - BOOK
AU  - Trishna Knowledge Systems
TI  - GATE mechanical engineering
SN  - 9789332582798
U1  - 153.94621 TRI 
PY  - 2017///
CY  - Noida
PB  - Pearson India Education Services Pvt. Ltd.
KW  - GATE
KW  - Aptitude
ER  -