LÓPEZ FRANCO, E. R.; FIALLOS CASTILLO, S. F. Marketing strategies for tour operators in the parish Posorja Province of Guayas. Journal of business and entrepreneurial studie, [S. l.], v. 2, n. 2, p. 37–44, 2018. DOI: 10.37956/jbes.v2i2.15. Disponível em: https://journalbusinesses.com/index.php/revista/article/view/15. Acesso em: 3 jan. 2026.