DR. AHMED EL-SAYED. Blockchain and Risk Management in International Trade. The Sankalpa: International Journal of Management Decisions, [S. l.], v. 8, n. 1, p. 36–46, 2022. Disponível em: https://www.thesankalpa.org/ijmd/article/view/95. Acesso em: 4 feb. 2026.