Bogataj M, Kravanja Z, Novak Pintarič Z, ur. 2nd International Conference on Technologies & Business Models for Circular Economy: Conference Proceedings. Let. 2019. Univerzitetna založba Univerze v Mariboru; 2020. Pridobljeno marec 5, 2026. https://press.um.si/index.php/ump/catalog/book/472