BOGATAJ, Miloš; KRAVANJA, Zdravko; NOVAK PINTARIČ, Zorka (EDS.). 2nd International Conference on Technologies & Business Models for Circular Economy: Conference Proceedings. [s.l.] : University of Maribor Press,2020. v. 2019 Disponível em: https://old.press.um.si/index.php/ump/catalog/book/472. Acesso em: 28 feb. 2026.