Analysis of information sources in references of the Wikipedia article "헨리 여권 지수" in Korean language version.
The index and its contents are based on data provided by the International Air Transport Authority (IATA) and supplemented, enhanced, and updated using extensive in-house research and open-source online data.
The index and its contents are based on data provided by the International Air Transport Authority (IATA) and supplemented, enhanced, and updated using extensive in-house research and open-source online data.