SAHIN, H.; KUSAKCI, A. O.; MBOWE, B. The effects of frequent flyer programs in the airline industry on customer loyalty. Heritage and Sustainable Development, [S. l.], v. 3, n. 2, p. 130–147, 2021. DOI: 10.37868/hsd.v3i2.69. Disponível em: https://hsd.ardascience.com/index.php/journal/article/view/69. Acesso em: 26 oct. 2021.