PUTRO, A. A. K.; ADAM, M.; HUDRI, A.; WIDIYANTI, M. Discounts and services on ticket sales for the badminton Indonesia open tournament on customer satisfaction. International journal of social sciences, [S. l.], v. 3, n. 1, p. 80-89, 2020. DOI: 10.31295/ijss.v3n1.166. Disponível em: https://sloap.org/journal/index.php/ijss/article/view/166. Acesso em: 16 jul. 2024.