Oleksandr Polishchuk https://orcid.org/0000-0002-1921-7117 Ivan Franko National University of Lviv Ukraine
Yustyna Zhylishchych https://orcid.org/0000-0003-0413-9096 Lviv National Environmental University Ukraine
Halyna Antonyak https://orcid.org/0000-0002-1640-737X Ivan Franko National University of Lviv Ukraine