Oeroun sŏngju
By: [chŏcha O Chʻŏn-sŏk].
Series: O Chʻŏn-sŏk kyoyuk sasang munjip -- 10
Publisher: Kwangmyŏng Chʻulpʻansa
Published: 1975
Place of publication: Sŏul
Language: kor
Number of pages: 307
Subjects: Educators -- Korea -- Correspondence