VAN HOVE, Leo. Electronic purses: Which way to go?. First Monday, [S. l.], v. 5, n. 7, 2000. DOI: 10.5210/fm.v5i7.770. Disponível em: https://firstmonday.org/ojs/index.php/fm/article/view/770. Acesso em: 28 mar. 2024.