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020 _a9789356067240
100 _aShiva Ignatius
245 0 _aEnvironment, ecology and biodiversity : for UPSC and state civil services examination
260 _aNoida
260 _bPearson India Education
260 _c2023
300 _aRs. 425.00
650 _aBiodiversity conservation
650 _aCivil services examination -- Guide
650 _aEcology
650 _aEnvironmental protection
650 _aUPSC examination
942 _cBK
999 _c83715
_d83715