TY  - GEN
AU  - Ojha,N. N; ed
TI  - 22 years topic-wise solution of previous papers - General studies- IAS mains Q and A -paper I-IV
SN  - 9788195572922
PY  - 2022///
CY  - Noida
PB  - Chronicle
KW  - General science - Civil service general studies paper
ER  -