000 00325nam a2200133Ia 4500
005 20250612122259.0
008 250601s1989 xx 000 0 eng d
020 _a9788127248659
100 _aJ.S arora
245 0 _aIntroduction to environmenrt
260 _aNew delhi
_bCommnwealth
_c1989
300 _a132
942 _2ddc
_cBK
999 _c2769
_d2769