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020 _a9788121908597
040 _cSGVU LIBRARY
_dSGVU LIBRARY
082 _a577. VEP E
_bbook
100 _aVerma, P S & Agarwal, V K
_930539
245 _aEnvironmental biology: Principles of ecology
_hEnglish
260 _aNew Delhi
_bS Chand & Com
_c2021
300 _a591p
_bpb
650 _aBioscience
_zE1676
_930540
942 _2ddc
_cBOOKS
_k577. VEP E
999 _c85236
_d85236