http://astanatimes.com/2017/05/115-states-and-22-international-organisations-to-take-part-in-expo-kazakh-national-commissioner-says/|périodique=The Astana Times (fr)
http://astanatimes.com/2017/05/115-states-and-22-international-organisations-to-take-part-in-expo-kazakh-national-commissioner-says/|périodique=The Astana Times (fr)