OSYKA, Victor, Olha KOMAKHA, and Volodymyr KOMAKHA. 2021. “aterproof aper ackaging aterials: mprehensive uality ssessment”. "INTERNATIONAL·SCIENTIFIC-·PRACTICAL·JOURNAL·COMMODITIES·AND·MARKETS" 37 (1):97-105. https://doi.org/10.31617/tr.knute.2021(37)08.