1. Department of Ecology and Environmental Protection Technology, Sumy State University, Sumy, Ukraine
2. Department of Marketing, Sumy State University, Sumy, Ukraine
3. Faculty of Mechanical Engineering, J. E. Purkyně University in Ustí nad Labem, Ustí nad Labem, Czech Republic
4. Department of Numerical Methods and Computational Modeling, Alexander Dubček University of Trenčín, Púchov, Slovak Republic
5. Department of Ecology and Sustainable Nature Management, Lviv National Polytechnic University, Lviv, Ukraine