Grey clustering of the variations in the back-to-front airplane boarding method considering COVID-19 flying restrictions
| Autor: | Delcea, Camelia, Cotfas, Liviu-Adrian, Milne, R. John, Xie, Naiming, Mierzwiak, Rafał |
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| Zdroj: | Grey Systems: Theory and Application, 2021, Vol. 12, Issue 1, pp. 25-59. |
| Databáze: | Emerald Insight |
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