RAO, M CHANDRA; SRI, D. DIVYA; SRI, M. SUMANA; SAMHITHA, M.; KRISHNA, SHREEYA. VERIFICATION AND VALIDATION OF CERTIFICATE USING BLOCKCHAIN. Turkish Journal of Computer and Mathematics Education (TURCOMAT), [S. l.], v. 14, n. 03, p. 1211–1216, 2023. Disponível em: https://turcomat.org/index.php/turkbilmat/article/view/14302. Acesso em: 13 oct. 2025.