Jolović, Milos, Daniel Bjelica, Natalija Antonić, and Talib Tahirović. “From Paper to Blockchain: Toward Sustainable Decentralized Identity in E-Government”. E-business technologies conference proceedings 4, no. 1 (December 3, 2025). Accessed December 14, 2025. https://www.ebt.rs/journals/index.php/conf-proc/article/view/259.