SAID, S. H.; DIDA, M. A.; KOSIA, E. M.; SINDE, R. S. A Blockchain-based Conceptual Model to Address Educational Certificate Verification Challenges in Tanzania. Engineering, Technology & Applied Science Research, Greece, v. 13, n. 5, p. 11691–11704, 2023. DOI: 10.48084/etasr.6170. Disponível em: https://etasr.com/index.php/ETASR/article/view/6170. Acesso em: 18 jul. 2024.