000 00312nam a22001217a 4500
020 _a9789388030687
082 _aRG
_bGKP/O
100 _aG K.Publication
245 _aObjective economy :
_bfor civil services examination 2019 /
260 _aNew Delhi :
_bG K. Publication,
_c2019.
300 _bpb.
942 _cREF
999 _c31530
_d31530