Hanʼgŭl, chayŏn ŭi modŭn sori rŭl tamnŭn kŭlcha
Subtitle: Hangeul, the letter for the sound of nature
By: [yŏkkŭni Yu Ŭn-sil, Yi Yong-mi, O Kyŏng-tʻaek].
Contributors: Yu, Ŭn-sil.; Yi, Yong-mi.; O, Kyŏng-tʻaek.
Edition: Chʻopʻan. 
Series: Korea story -- 1
Publisher: Hŏwŏn Midiŏ
Published: 2006
Place of publication: Sŏul
Language: kor
Number of pages: 121
Subjects: Korean language
Other titles: Hangeul, the letter for the sound of nature
Notes: In Korean and English.