1. Money Today : Article, https://news.mt.co.kr/mtview.php?no=2018040219491194621, April 2, 2020.
2. Naver Dictionary of Knowledge : https://terms.naver.com/entry.nhn?docId=3557889&cid=43667&categoryId=43667, April 2, 2020.
3. Korea Environmental Industry & Technology Institute : Public hearing of R&D program for microplastics, January 22, 2020.
4. Ministry of Environment : Regulation/policy, general environmental policy, http://me.go.kr/home/web/policy_data/read.do?pagerOffset=0&maxPageItems=10&maxIndexPages=10&searchKey=title&searchValue=%EC%97%85%EB%AC%B4%EA%B3%84%ED%9A%8D&menuId=10260&orgCd=&condition.deleteYn=N&seq=7261, November 26, 2019.
5. The Chosunilbo : Article, February 21, 2019.