archive
원문 _ https://blog.naver.com/PostView.nhn?blogId=kpfjra_&logNo=221352175359&redirect=Dlog&widgetTypeCall=true&fbclid=IwAR0HAlovyzufL1YeHSrBDJa7BkkZ5ll9Rmh9r0JGrCjtoPgYHMUSuJlztaM
원문 _ https://blog.toss.im/2018/07/19/team/insight/toss-marketing-team-insight/?fbclid=IwAR15GbX8eU9Cf2C7uBqgb8kJZpzFIdPrqjvxOvuaPc6--3unLBPCiQVeowc
원문 _ http://ttimes.co.kr/view.html?no=2017112114507737418
원문 _ http://news.mk.co.kr/newsRead.php?year=2018&no=67134
원문 _ http://www.huffingtonpost.kr/2017/11/10/story_n_18519250.html
원문 _ http://ttimes.co.kr/view.html?no=2017102417217783811&RN
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