000			00340nam a22001577a 4500
003			OSt
020			_a9789387397378
082			_a575.52 GUP
100			_aGupta, M.K.
245			_aEnvironmental Science
250			_a9th
260			_aPune _bNirali Prakashan _c2024
300			_a84p.
650			_aEnvironmental Science
942			_2ddc _cBK
999			_c8249 _d8249