Iršič, Matjaž, Domen Malc, Borut Milfelner, and Aleksandra Selinšek. Marketing – Temeljni Koncepti in Njihova Uporaba V Digitalnem Okolju: Praktikum. University of Maribor Press, 2021. Accessed March 7, 2026. https://press.um.si/index.php/ump/catalog/book/544.