000 00421 a2200145 4500
008 231218b |||||||| |||| 00| 0 eng d
020 _a9789394987401
082 _a001
_bPAR
245 _aEnvironment and Ecology
_bपर्यावरण एवं पारिस्थितिकी
250 _a8th
260 _bDrishti Publications
_aNew Delhi
_c2022
300 _a358p.
650 _aGeneral
942 _2ddc
_cREF
999 _c52052
_d52052