Serhii S. Fedorov. Ensuring the Resultativity of Development of System Integrator Companies : Доктор філософії : spec.. 051 - Економіка : presented. 2026-09-02; popup.evolution: .; Kyiv National Economics University named after Vadym Hetman. – Київ, 0826U004167.

Updated: 2026-11-08