Marinković, Miloš, and Ivana Marinković-Matović. “INCREASING PRODUCTIVITY AND SAFETY OF BANKING SYSTEMS USING DIGITAL CERTIFICATES”. BizInfo Blace 1, no. 1 (June 28, 2010): 21–33. Accessed October 22, 2026. http://bizinfo.edu.rs/index.php/bizinfo/article/view/109.