Bjelajac Đ. , Željko, and Vesić Lj. Slavimir. “SECURITY OF INFORMATION SYSTEMS”. Pravo - teorija i praksa 37, no. 2 (June 20, 2020): 63–76. Accessed January 14, 2026. https://casopis.pravni-fakultet.edu.rs/index.php/ltp/article/view/5.