000 00355nam a2200145Ia 4500
005 20250121120140.0
008 250101s2021 xx 000 0 eng d
084 _aG:55
_bR1
100 _aAsthana (DK) & Asthana (Meera)
245 2 _aA textbook of Environmental Studies
250 _a2
260 _bS.Chand & Co.
_c2021
300 _a397
942 _2z
_cBK
999 _c1273
_d1273