TY  - BOOK
AU  - GKP
TI  - UPSC civil services courseware for preliminary and main examination: internal security and disaster management 
U1  - 001 GKP 
PY  - 2019///
CY  - India
PB  - G K Publications
KW  - UPSC civil services
KW  - Internal security
KW  - Disaster management
KW  - Competitive exam
ER  -