Blockchain-based student certificate management and system sharing using hyperledger fabric platform. Periodicals of Engineering and Natural Sciences, [S. l.], v. 10, n. 2, p. 207–218, 2022. DOI: 10.21533/pen.v10.i2.599. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/599. Acesso em: 3 jul. 2026.