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Service economy - Wikipedia
Service (economics) - Wikipedia
Tertiary sector of the economy - Wikipedia
Service Sector: Place in Economy, Definition and Examples - Investopedia
Service Economy - Oxford Reference
Service economy - Simple English Wikipedia, the free encyclopedia
Nine facts about the service sector in the United States
Service Economy: Definition, Characteristics, Pros and Cons
What Is a Service Economy? (With Key Characteristics) - Indeed
The Service Economy | OECD iLibrary