JOHNSTON, G.; PIENAAR, S. Value-Added Tax On Virtual World Transactions: A South African Perspective. International Business & Economics Research Journal (IBER), [S. l.], v. 12, n. 1, p. 71–78, 2012. DOI: 10.19030/iber.v12i1.7513. Disponível em: https://clutejournals.com/index.php/IBER/article/view/7513. Acesso em: 17 jul. 2024.