[1]
Cifuentes-Faura, J. 2021. STUDY OF THE EFFICIENCY OF SPANISH AIRLINES: A NON-PARAMETRIC DATA ENVELOPMENT ANALYSIS. ENLIGHTENING TOURISM. A PATHMAKING JOURNAL. 11, 1 (Jun. 2021), 89-101. DOI:https://doi.org/10.33776/et.v11i1.5078.