Fialko, N., Stepanova, A., Navrodska, R. and Shevchuk, S. 2021. Comparative analysis of the exergy efficiency of methods for protecting gas exhaust ducts of boiler plants. Eastern-European Journal of Enterprise Technologies. 3, 8(111) (Jun. 2021), 42–49. DOI:https://doi.org/10.15587/1729-4061.2021.234026.