000			00363nam a22001457a 4500
999			_c45027 _d45027
003			OSt
008			190423b ||||| |||| 00| 0 eng d
020			_a9788184870756
082			_a577.2
100			_aDahiya, P
245			_aEnvironmental Science: A New Approach
260			_aNew Delhi _bNarosa Publishing House _c2013
300			_a726 pg
942			_2ddc _cBK _01