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https://bookfactory.kr/2019/01/07/%ec%95%88%eb%85%95-2019-2019%eb%85%84-%eb%a7%88%ec%bc%80%ed%8c%85-%ed%8a%b8%eb%a0%8c%eb%93%9c-%eb%aa%a8%ec%9d%8c%ec%a7%91_%ec%97%85%ec%a2%85%ed%8e%b8/
[안녕, 2019] 2019년 마케팅 트렌드 모음집_업종편