TY  - BOOK
AU  - G.K.PUBLICATIONS
TI  - OBJECTIVE SCIENCE AND TECHNOLOGY FOR CIVIL SERVICES PRELIMINARY EXAMINATION 2019 
SN  - 9789388030700
U1  - 621.3076 GKP 
PY  - 2019///
PB  - G.K.PUBLICATIONS (PVT) LTD.
ER  -