Stadnyk, I., A. Sokolenko, V. Piddubnuy, K. Vasylkivsky, A. Chahaida, and V. Fedoriv. “Justification of Thermodynamic Efficiency of the New Air Heat Pump in the System of Redistribution of Energy Resources at the Enterprise”. Potravinarstvo Slovak Journal of Food Sciences, vol. 15, Sept. 2021, pp. 680-93, doi:10.5219/1666.