교학사 참고서에 노무현 전 대통령의 비하 합성 사진이 들어갔다는 것은 온라인 커뮤니티 ‘디시인사이드’를 통해 최근 알려졌다.
The fact that the composite photo of a formal president Roh Moo-hyun contains in the textbook published by Kyohaksa was recently known to the public through an online community called "DC Inside".