POTRČ, Sanja; BOGATAJ, Miloš; KRAVANJA, Zdravko; NOVAK PINTARIČ, Zorka (EDS.). 4th International Conference on Technologies & Business Models for Circular Economy: Conference Proceedings. [s.l.] : Univerzitetna založba Univerze v Mariboru,2022. v. 2021 DOI: 10.18690/um.fkkt.3.2022. Disponível em: https://press.um.si/index.php/ump/catalog/book/678. Acesso em: 8 jun. 2025.