Artykuł dostępny w OA na licencji CC BY-NC-ND 4.0.
Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 25th International Conference KES2021 / edited by Jaroslaw Watrobski, Wojciech Salabun, Carlos Toro, Cecilia Zanni-Merk, Robert J. Howlett, Lakhmi C. Jain. Available online 1 October 2021.