M. Bogataj, Z. Kravanja, in Z. Novak Pintarič, Ur., 2nd International Conference on Technologies & Business Models for Circular Economy: Conference Proceedings, let. 2019. Univerzitetna založba Univerze v Mariboru, 2020. Pridobljeno: avg. 14, 2026. Dostopno na: https://press.um.si/index.php/ump/catalog/book/472