WEISS, Erik et al. Prediction of Extraction Companies’ Development. - Registrovaný: Scopus, Registrovaný: Web of Science. In Montenegrin Journal of Economics. - Podgorica : Economic Laboratory for Transition Research. ISSN 1800-5845, 2023, vol. 19, no. 4, pp. 7-18. VEGA 1/0363/20.