000 00460nam a22001217a 4500
999 _c188209
_d188209
008 180524b xxu||||| |||| 00| 0 eng d
084 _2cc
_azobT:5(G:55),5
100 _aNachiketa, Neeraj
245 _aEnvironment and ecology:
_ba dynamic approach for UPSC Civil Services Examination (PT and main) all state PCS examinations and useful for other competitive examinations/
260 _aNew Delhi:
_bAadhya Publications
_c2018
300 _b298p.
942 _cGEN