2015年民航机场吞吐量排名(XLS) (in Chinese (China)). CAAC. 2016-03-31.
chosun.com
biz.chosun.com
"에어서울, 인천~중국 장자제 직항편 3년 만에 운항 재개" [Air Seoul, resumes direct flights from Incheon to China for the first time in three years]. Chosun Biz (in Korean). Retrieved 28 April 2023.