TY  - BOOK
AU  - Bhatnagar, Mahesh
AU  - Tiwari, S.D
AU  - Joshi, B D.
TI  - SSC combined graduate level
SN  - 9789386105011
U1  - 378.00284 BHA/SSC 
PY  - 2016///
CY  - New Delhi
PB  - Source Books
ER  -