Brenčič, Mihael, Aleksander Horvat, and Dorotea Verša. “How Many Jobs Are for Geologists and Are There to Many Students of Geology? ”. Geologija 42, no. 1 (December 31, 1999): 219–226. Accessed October 27, 2026. https://www.geologija-revija.si/index.php/geologija/article/view/869.