Fialko, M., A. Stepanova, S. Shevchuk, and G. Sbrodova. “COMPREHENSIVE METHODS OF EVALUATION OF EFFICIENCY AND OPTIMIZATION OF HEAT-UTILIZATION SYSTEMS”. Thermophysics and Thermal Power Engineering, Vol. 40, no. 4, Dec. 2018, pp. 25-33, doi:https://doi.org/10.31472/ihe.4.2018.04.