Bogataj M, Kravanja Z, Novak Pintarič Z , eds. Conference Proceedings 1st International Conference on Technologies & Business Models for Circular Economy, September, 5th - 7th, 2018, Portorož, Slovenia. Vol. tbmCE 1. Univerzitetna založba Univerze v Mariboru; 2018. Accessed June 1, 2025. https://press.um.si/index.php/ump/catalog/book/367