000 00259nam a2200109Ia 4500
005 20251224130724.0
008 251103s9999 xx 000 0 eng d
100 _aSHARMA(P.D)
245 0 _aEcology and environmental
260 _bVijay Book Depo
942 _2ddc
_cBK
999 _c296
_d296