Conference Proceedings 1st International Conference on Technologies & Business Models for Circular Economy, September, 5th - 7th, 2018, Portorož, Slovenia; Bogataj, M., Kravanja, Z., Novak Pintarič, Z., Eds.; , Series Ed.; Technologies & Business Models for Circular Economy; University of Maribor Press, 2018; Vol. tbmCE 1.