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010 _aENG-90729
020 _a9788189005245
_c175.00
035 _aEN-74262
037 _bDBAD / PUB
040 _aDPL
_bENGLISH
082 _a333.7
100 _aDawan, Ashok
245 _aA text book of environmental studies /
_cby Ashok Dawan
260 _aNew Delhi
_bLotus Press
_c2008
300 _avi, 310p.
_c22 cm.(pbk)
500 _aincludes bibliographical references and index
650 _aEnvironmental studies
_xStudy and teaching
942 _2ddc
_cEN
_h333.7
_mDAW
999 _c14852
_d14852