TY  - GEN
AU  - Vashist, Ashish Kumar
TI  - One thousand plus questions on general science : general studies for civil services preliminary examinations - paper I
SN  - 9781259001253
PY  - 2012///
CY  - New Delhi
PB  - Tata Mc Graw Hill Education
KW  - General science - Civil service general studies paper
ER  -