Tornjanski, V., S. . Knežević, D. Ljubanić, V. Glišić, D. Žižić, and J. Travica. “Towards Secured Digital Business Ecosystems: From Threats to Opportunities”. E-Business Technologies Conference Proceedings, vol. 1, no. 1, Sept. 2021, pp. 1-14, https://ebt.rs/journals/index.php/conf-proc/article/view/85.