HUGHES, S.; BEUKES, C. Growth And Implications Of Social E-Commerce And Group Buying Daily Deal Sites: The Case Of Groupon And Livingsocial. International Business & Economics Research Journal (IBER), [S. l.], v. 11, n. 8, p. 921–934, 2012. DOI: 10.19030/iber.v11i8.7169. Disponível em: https://clutejournals.com/index.php/IBER/article/view/7169. Acesso em: 17 jul. 2024.