Authors
Mariusz Kluska
Institute of Chemistry, Siedlce University of Natural Sciences and Humanities, Siedlce, Poland
Ewa Witkowska-Krajewska
Departments of Environmental Studies, Masurian University in Olecko, Olecko, Poland
Anna Marciniuk-Kluska
Faculty of Management, Siedlce University of Natural Sciences and Humanities, Siedlce, Poland