JaeYup Yu

https://news.alphastreet.com/aws-and-prime-emerge-the-biggest-winners-in-amazons-amzn-covid-19-hued-first-quarter/

https://www.lonelyplanet.co.kr/magazine/articles/AI_00002172

https://mnews.joins.com/article/23109178?cloc=joongang|marticle|flipboard_travel#home

http://www.edaily.co.kr/news/news_detail.asp?mediaCodeNo=257&newsId=01085686619278784

http://mnews.joins.com/article/22794019?cloc=joongang%7Cmarticle%7Cflipboard_food

http://raonyss.tistory.com/1761