CHERNYAK Людмила, MEREZHKO Ніна, and KARAVAYEV Тарас. “cological afety of olymeric aterials on the ase of olystyrene”. INTERNATIONAL SCIENTIFIC-PRACTICAL JOURNAL COMMODITIES AND MARKETS 9, no. 1 (June 4, 2010): 189–193. ccessed April 18, 2025. https://journals.knute.edu.ua/commodities-and-markets/article/view/1556.