Chʻilsip hangnyŏndo Sŏul Tʻŭkpyŏlsi yŏnʼgu sirhŏm hakkyo yŏnʼgu pogojip (Yoyak)
Publisher: Sŏul Tʻŭkpyŏlsi Kyoyuk Yŏnʼguwŏn
Published: 1971
Place of publication: [Sŏul]
Language: kor
Number of pages: 96
Subjects: Education