TY JOUR TI CASH FLOW AS A CRITICAL CHARACTERISTIC OF THE STAGE OF THE COMPANY'S LIFE CYCLE KW cash flows KW life cycle stages KW economic model KW assessment JO Modern Technologies and Scientific and Technological Progress AU Bychkova, G.M. AU Zhuravleva, E.V. PY 2025 IS 2025 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»