e-RUPI: A Purpose Specific Digital Voucher. IARS’ International Research Journal, Victoria, Australia, v. 11, n. 2, p. 55–60, 2021. DOI: 10.51611/iars.irj.v11i2.2021.174. Disponível em: https://researth.iars.info/index.php/curie/article/view/174.. Acesso em: 6 may. 2024.