VINOD KUMAR ENUGALA. Blockchain Timestamping for Unalterable Concrete Test Logs. The American Journal of Engineering and Technology, [S. l.], v. 7, n. 07, p. 33–53, 2025. DOI: 10.37547/tajet/Volume07Issue07-05. Disponível em: https://theamericanjournals.com/index.php/tajet/article/view/6346. Acesso em: 11 jul. 2025.