https://www.citypopulation.de/en/world/bymap/roadways/

https://en.wikipedia.org/wiki/List_of_countries_by_road_network_size

https://www.citypopulation.de/en/world/bymap/Railways.html

گزارش آمار راه های جاده ای وزارت حمل و نقل اتریش

https://www.citypopulation.de/en/world/bymap/Railways.html

https://data.worldbank.org/indicator/IT.NET.USER.ZS

https://data.worldbank.org/indicator/IT.NET.USER.ZS

https://www.citypopulation.de/en/world/bymap/TelephoneLines.html

https://de.statista.com/themen/3654/smartphone-nutzung-in-oesterreich/#:~:text=Nicht%20einmal%20ein%20Drittel%20der,69%20Jahren%20bereits%20ein%20Smartphone

https://www.citypopulation.de/en/world/bymap/TelephoneLines.html

https://en.wikipedia.org/wiki/List_of_countries_by_vehicles_per_capita

https://en.wikipedia.org/wiki/List_of_countries_by_vehicles_per_capita

data.worldbank.org/indicator?tab=all