Author/Authors :
Pirsaheb، Meghdad نويسنده Department of Environmental Health Engineering, Health Research Center, Faculty of Health, Kermanshah University of Medical Sciences, Kermanshah, Pirsaheb, Meghdad , Dargahi، Abdollah نويسنده Student of Environmental Health Engineering, Faculty of Health, Kermanshah University of Medical Sciences Kermanshah, Iran Dargahi, Abdollah , Sharafi، Kiomars نويسنده Department of Environmental Health, Faculty of Public Health, Kermanshah University of Medical Sciences, Kermanshah, Iran Sharafi, Kiomars
