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: 4 may. 2024.