http://www.obsnews.co.kr/news/articleView.html?idxno=1368886https://www.reddit.com/r/nextfuckinglevel/comments/xwb1vl/thousands_of_students_protesting_for_their/?utm_source=share&utm_medium=android_app&utm_name=androidcss&utm_term=19&utm_content=share_button(헝가리뉴스) '인간사슬'로 교사 파업 지지하는