Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) M.Ackah,"Socioeconomic profile, knowledge of hygiene and food safety practices among street-food vendors in some parts of Accra-Ghana",Internet Journal of Food Safety,,,2011,13,,191,https://cir.nii.ac.jp/crid/1370004239826389640,