TY JOUR TI COST MODEL OF HEAT GENERATORS FOR HEATING SYSTEM KW heating system KW heating power KW heat generator KW technical system modeling JO Modern Technologies and Scientific and Technological Progress AU Kuz'min, S.I. AU Kamolova, E.A. PY 2024 IS 2024 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»