TAHERI, Ameneh. Efficiency Analysis of Tourism Companies in Fars Province: A DEA and DEA-R Based Approach. International Journal of Operations Research and Artificial Intelligence , [S. l.], v. 1, n. 2, p. 101–109, 2025. DOI: 10.48314/ijorai.v1i2.65. Disponível em: https://ijorai.reapress.com/journal/article/view/65.. Acesso em: 27 sep. 2025.