Knaga, J., A. Tatomyr, M. Babych, and S. Korobka. “Substantiation of the Effectiveness of Using a Flat Mirror Concentrator in the Solar Dryer”. Eastern-European Journal of Enterprise Technologies, vol. 5, no. 8 (89), Oct. 2017, pp. 10-15, doi:10.15587/1729-4061.2017.112206.