The Role of Block Chain to Enhance the Egyptian Public Service Performance. The Arab Journal of Administration, Cairo, v. 45, n. 4, p. 91–108, 2025. DOI: 10.21608/aja.2022.158757.1309. Disponível em: https://ajajournal.org/index.php/aja/article/view/778. Acesso em: 30 apr. 2026.