000 00363nam a2200157Ia 4500
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245 _aUnderstanding environment : geography textbook for Class ix
260 _aNew Delhi
260 _bN. C. E. R. T.
260 _c1996
350 _a19
365 _b19
365 _dRupees
440 _v1
923 _n24839
999 _c78411
_d78411