TY  - GEN
AU  - G.K. Publications
TI  - UPSC Civil Services Courseware: General Science and Science & Technology
U1  - 001.2 GKP 
PY  - 2024///
CY  - New Delhi
PB  - G.K. Publications (P) Ltd. 
KW  - UPSC Civil Services
KW  - General Science
ER  -