Nobyŏng ŭi osolkil
By: O Chʻŏn-sŏk chŏ
Publisher: Taehan Kyoyuk Yŏnhaphoe
Published: 1974
Place of publication: [Sŏul]
Language: kor
Number of pages: 174
Subjects: Education
Other titles: Sae kyoyuk.