000			00329nam a2200145Ia 4500
008			190718s9999||||xx |||||||||||||| ||und||
020			_a97-93-272-2938-7
082			_a658.4095
100			_aWALIA ARVIND
245		0	_aENVIRONMENT MANAGEMENT
260			_a2015
260			_aNEW DELHI KALYANI
300			_a5.36
942			_cBKS
999			_c7187 _d7187