TY JOUR TI A model of a logical microcycle for feeding small-sized roofing materials and a multi-criteria system for selecting heavy-duty drones KW roofing work KW construction logistics KW material supply KW logistics microcycle KW UAVs KW cargo drones KW multi-criteria selection KW rhythm KW downtime KW and construction deadlines JO Construction production AU Alfimov, M.D. AU Korneva, A.V. PY 2026 IS 0 PB Publishing Center RIOR