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. 2024 Mar 8;19(3):e0299897. doi: 10.1371/journal.pone.0299897

Fig 5. Comparison between ranking of airports by total passenger volume and PageRank score weighted by the number of airlines for the 50 airports considered in this study.

Fig 5

For each airport, its corresponding country is labelled by the two-letter country code as defined in ISO 3166-1.