HARRAWAY, Tricia; BEKKER, James. Voucher tokenisation using blockchain and smart contracts to support people in need. South African Journal of Science, [S. l.], v. 120, n. 11/12, 2024. DOI: 10.17159/sajs.2024/18150. Disponível em: https://sajs.co.za/article/view/18150. Acesso em: 6 jan. 2025.