33rd Bled EConference – Enabling Technology for a Sustainable Society: June 28 – 29, 2020, On-Line Conference Proceedings; Pucihar, A., Kljajić Borštnar, M., Bons, R., Cripps, H., Sheombar, A., Vidmar, D., Eds.; , Series Ed.; Bled eConference; University of Maribor Press, 2020; Vol. 33.