▪︎1편단심 □ 훈민정음 제자원리와 어원(etymology)생성원리 □▪︎
https://youtu.be/2OJyIuyo_4s
▪︎2편단심 □ 훈민정음 제자원리와 어원(etymology)생성원리 □▪︎
https://youtu.be/uZx-q_mFkmY
▪︎□ ENGLISH ALPHABET 제자원리와 어원(etymology)생성원리 □▪︎
https://youtu.be/2ssQ8iaW08U
카카오스토리 가기
https://story.kakao.com/mepssi/JU0jMbsmdiA
https://story.kakao.com/mepssi/eZMX3C4xjp0
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