Two pages paper, The source I already post it, and I also post a sample and you can follow it. The works cited I already found for you. please use it.
Works Cited
Vedal, Sverre, et al. “Design of an Air Pollution Monitoring Campaign in Beijing for Application to Cohort Health Studies.” International Journal of Environmental Research and Public Health, vol. 14, no. 12, n.d. EBSCOhost, libproxy.udayton.edu/login?url=http://search.ebscohost.com/login.aspx?direct=true&db=edswss&AN=000423699400143&site=eds-live.Vedal, Sverre, et al. “Design of an Air Pollution Monitoring Campaign in Beijing for Application to Cohort Health Studies.” International Journal of Environmental Research and Public Health, vol. 14, no. 12, n.d. EBSCOhost, libproxy.udayton.edu/login?url=http://search.ebscohost.com/login.aspx?direct=true&db=edswss&AN=000423699400143&site=eds-live.
