Natalia Dzhura https://orcid.org/0000-0001-9170-6014 Ivan Franko National University of Lviv Ukraine
Iryna Podan https://orcid.org/0000-0002-4749-2255 Ivan Franko National University of Lviv Ukraine
Pavlo Shapoval https://orcid.org/0000-0001-5807-0130 Lviv Polytechnic National University Ukraine
Olha Romanyuk https://orcid.org/0000-0002-6249-2683 Department of Physical Chemistry of Fossil Fuels of the Institute of Physical-Organic Chemistry and Coal Chemistry named after L. M. Lytvynenko of National Academy of Sciences of Ukraine Ukraine
Halyna Antonyak https://orcid.org/0000-0002-1640-737X Ivan Franko National University of Lviv Ukraine