000 00304nam a22001097a 4500
005 20241217132806.0
008 241217b |||||||| |||| 00| 0 eng d
082 _a577
245 _aEcology environmet and resources conservation
_cJ S Singh
300 _a688p.
942 _2ddc
_i319731
999 _c60600
_d60600