TY  - BOOK
AU  - Singh,  Surender 
AU  - Parmar, Virinder
TI  - General studies GS paper 1 2019: for civil services preliminary examination 
SN  - 9789353160852
PY  - 2019///
CY  - Chennai
PB  - McGraw Hill  Education
KW  - General studies - Civil service preliminary exam
ER  -