000			00468nam a2200145 4500
999			_c509917 _d509917
008			190704b ||||| |||| 00| 0 eng d
100			_aChang, Tom Y. et al _96738
245			_aThe effect of pollution on worker productivity: evidence form call center workers in China
260			_c2019
300			_ap.151-172.
650			_aLabour productivity _96739
773			_aAmerican Economic Journal: Applied Economics
906			_aPollution - China
942			_2ddc _cAR