000 00508nam a2200169Ia 4500
001 64750
008 230915n ii |||gr||||Z||||||465
020 _a9788193422601
082 _a301.31
110 _aShanakar IAS Academy Book Publications.
245 0 _aEnvironment
_cShanakar IAS Academy Book Publications
_hTextual Documents
250 _a7th. Rev. Ed.
260 _aTamil Nadu:
_bShanakar IAS Academy Book Publications,
_c2019.
300 _a365p.:
_c24cm.
653 _aEnvironment
942 _2ddc
_cBK
999 _c65850
_d65850