000 00407nam a2200157 4500
020 _a9789387604674
082 _a577.07
_bP25
084 _2Colon Classification
100 _aSingh,B B
245 _aUGC-NET Environmental science:paperII
260 _aNewDelhi:
_bRamesh publishing house,
_c2025
300 _a640/-
490 _aG Gupta
650 _aUGC-NET
_vEnvironmental science
942 _2ddc
_cCE
999 _c748425
_d748425