초중학교 학습지도요령 해설에 대한 성명서
http://news.chosun.com/site/data/html_dir/2017/06/21/2017062100963.html
http://news.khan.co.kr/kh_news/khan_art_view.html?artid=201706211009001&code=970100
http://www.yonhapnews.co.kr/bulletin/2017/06/21/0200000000AKR20170621062600073.HTML
http://www.ytn.co.kr/_ln/0104_201706210948259170
http://www.asiatoday.co.kr/view.php?key=20170621010010977
http://www.nocutnews.co.kr/news/4802831