Raiko, D., O. Podrez, V. Cherepanova, O. Melnikov, and A. Kharchenko. “Managing Costs of an Industrial Enterprise When Using Secondary Resources”. Eastern-European Journal of Enterprise Technologies, vol. 4, no. 3 (106), Aug. 2020, pp. 53-65, doi:10.15587/1729-4061.2020.208764.