TY JOUR TI FEATURES OF REVENUE ANALYSIS IN A RESTAURANT KW restaurant business KW economic model KW revenue KW analysis KW key indicators JO Scientific Papers Collection of the Angarsk State Technical University AU Bychkova, G.M. AU Smirnova, I.A. PY 2023 IS 2023 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»