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001 152946
003 OSt
005 20220329114132.0
008 60407 ###
020 _a9788121916547
082 _a363.7
_bA83E
100 1 _aAsthana, D.K.
245 1 _aEnvironment : problems and solutions
_cby D.K. Asthana and Meera Asthana
260 _aNew Delhi
_bS.Chand
_c2016
300 _a434p.
653 _aEnvironmental Science
653 _aNature effect of human beings
653 _aEnvironmental sciences
700 _aAsthana, Meera
942 _2ddc
_cBK
999 _c15688
_d15688