TY JOUR TI Structural-Functional Analysis of Group Operator Activity in Organizational Control Systems KW ergatic systems KW group activities of operators KW systemic-activity approach KW structural-functional analysis KW small groups KW cooperation models KW functional topologies KW manageability thresholds KW channel passports KW routing KW integral efficiency index (IEI) KW ethic-legal framework JO Ergodesign AU Bagretsov, S.A. AU Kiselevsky, O.S. AU Hohlova, M.V. AU Logvinov, D.V. PY 2025 IS 2025 PB Bryansk State Technical University