: A comprehensive literature review focusing on the five unique traits of services (intangibility, inseparability, heterogeneity, perishability, and ownership) . Read at ResearchGate
: An official statistical guide from the UN Statistics Division that groups similar tasks into broad business function classes to help monitor global value chains . 4. Industry Trends (2025–2026) Global Business Services as a Strategic Function | BCG
: This study uses case research to analyze how Fortune 500 companies align their strategy and organization to successfully develop business-to-business (B2B) services . Read at ResearchGate business services
