https://www.mediact.org/web/education/lecture_view.php?code=Education&mode=View&bbid=EDUCATION_LECTURE&page=&nums=2525&codes=&type=&grp=&sfl=&stx=&part_area=&y_now=2022&m_now=01&search_mm=
가끔 들려보시면 자기에게 꼭 필요한 어떤것을 건질지도 모르죠.