Morozyuk, L., V. Sokolovska-Yefymenko, S. Gayduk, and A. Moshkatiuk. “Entropy­based Methods Applied to the Evaluation of a Real Refrigeration Machine”. Eastern-European Journal of Enterprise Technologies, vol. 6, no. 8 (96), Nov. 2018, pp. 49-56, doi:10.15587/1729-4061.2018.147710.