000			00337nam a2200133Ia 4500
008			180613s9999||||xx |||||||||||||| ||und||
020			_a955-9541-00-5
041			_aen
082			_a363.73
100			_aHENNAYAKE, Shantha. .et al
245		0	_aEnvironmental impact
260			_aPerdeniya _bUniversity of Peradeniya _c1997
942			_cSR
999			_c74024 _d74024