HADAD, Yossi; FRIEDMAN, Lea; ISRAELI, Aviad A. Evaluating hotel advertisements efficiency using data envelopment analysis. Journal of Business Economics and Management, [S. l.], v. 6, n. 3, p. 145–153, 2005. DOI: 10.3846/16111699.2005.9636103. Disponível em: https://journals.vilniustech.lt/index.php/JBEM/article/view/8123. Acesso em: 2 jun. 2025.