Shchepetova S. (2018). System research of socio-economic sphere: assumptions, components, methods. System analysis in economics – 2018: Proceedings of the V International research and practice conference–biennale (21–23 november 2018). Moscow, Prometheus publishing house, pp. 108-109. DOI: 10.33278/SAE-2018.eng.108-109
System research of socio-economic sphere: assumptions, components, methods