SAPUTRA, H.; ARESTA, B. I.; SUNDARA, T. A.; STEPHANE, I.; MALTAF, L. Blockchain-based diploma information system development. INVOTEK: Jurnal Inovasi Vokasional dan Teknologi, [S. l.], v. 21, n. 1, p. 37–44, 2021. DOI: 10.24036/invotek.v21i1.833. Disponível em: http://invotek.ppj.unp.ac.id/index.php/invotek/article/view/833. Acesso em: 23 oct. 2026.