CHARFI, A. A.; ATIF, M. Virtual Agent: A Determinant of Online Social Presence and Consumer Trust in Websites. International Journal of Economic Practices and Theories, [S. l.], v. 4, n. 5, p. 796-806, 2014. Disponível em: http://ijept.eu/index.php/ijept/article/view/Virtual_Agent_A_Determinant_of_Online_Social_Presence_and_Cons. Acesso em: 19 sep. 2024.