Filipec K. Historical characteristics of the Croatian – Slovenian language border between the Drava and Sava rivers until the 12th century according to archaeological indicators. 10.14746/pss [Internet]. 2025 Dec. 15 [cited 2026 Jan. 15];(29):357–374. Available from: https://pressto.amu.edu.pl/index.php/pss/article/view/51136