OSYKA, V., KARAVAYEV, T. and KOMAKHA, V. 2020. Waterproof paper packaging materials: optimization of hydrophobic composition. "INTERNATIONAL·SCIENTIFIC-·PRACTICAL·JOURNAL·COMMODITIES·AND·MARKETS". 33, 1 (Feb. 2020), 37–46. DOI:https://doi.org/10.31617/tr.knute.2020(33)04.