Safe Food:Especially Vulnerable Groups in Community Institutions
http://www.bfr.bund.de/cm/364/safe-food-especially-vulnerable-groups-in-community-institutions.pdf
パンフレット。主に微生物管理
Safe Food:Especially Vulnerable Groups in Community Institutions
http://www.bfr.bund.de/cm/364/safe-food-especially-vulnerable-groups-in-community-institutions.pdf
パンフレット。主に微生物管理