olemus
ostuteenuse sisemine analoog: teenuseid saadakse protsesside dubleerimist vältides, funktsioonide tsentraliseerimisega teel, nii et teenindav üksus annab oma teenust kõigile
= internal analog of outsourcing: services are obtained by avoiding duplication of processes, by centralizing functions, so that the service unit provides its service to all

ülevaateid
https://en.wikipedia.org/wiki/Shared_services

https://en.wikipedia.org/wiki/Shared_services_center