OSYKA В., and MOSTYKA К. “mprovement of aper acking aterials for ood”. NTERNATIONAL CIENTIFIC-RACTICAL OURNAL OMMODITIES ND ARKETS, vol. 11, no. 1, June 2011, pp. 152-8, https://journals.knute.edu.ua/commodities-and-markets/article/view/1480.