1. Studies of Air Transport Management Issues for the Airport and Region;Zhong,2015
2. Eurocontrol, “Airspace Modelling,” 2014, https://www.eurocontrol.int/articles/airspace-modelling (14 Aug 2016).
3. Control, navigation and collision avoidance for an unmanned aerial vehicle
4. Adb.Org, “Infrastructure for a SEAMLESS ASIA,” 2009, http://adb.org/sites/default/files/pub/2009/2009.08.31.book.infrastructure.seamless.asia.pdf (14 Aug 2016).
5. En Route Sector Capacity Model