9th International Conference on Technologies & Business Models for Circular Economy: Book of Abstracts; Potrč, S., Bogataj, M., Kravanja, Z., Novak Pintarič, Z., Eds.; , Series Ed.; Technologies & Business Models for Circular Economy; University of Maribor Press, 2026; Vol. 9. https://doi.org/10.18690/um.fkkt.7.2026.