Case studies Welcome to the central library for all GS1 case studies. Use search or filters to discover case studies related to specific topics such as benefit, industry, service, standard or location. Search Industry Retail Consumer packaged goods (CPG) Apparel (-) Fresh foods General merchandise Marketplaces Healthcare Transport & Logistics Technical Industries Foodservice Public sector Region Latin America Country Argentina Australia (-) Brazil Germany Greece Ireland Japan Peru United States Benefits Operational efficiency Traceability Standards GTIN SSCC 1D barcodes Services Verified by GS1 GDSN Type of organisation Retailer (-) Manufacturer Small & Medium Enterprises (-) Brazil (-) Fresh foods (-) Manufacturer Clear all filters Showing 1 results Carrefour Brazil improves food quality through implementing traceability