TY  - BOOK
AU  - Singh B.
AU  -  Singh A.P.
TI  - General studies for IES, PSUs (2 Vol. set)
U1  - D:(T:5)'P, Q4.1-.2 
PY  - 2013///
CY  - New Delhi
PB  - Made Easy Publication       
KW  - Gift
ER  -