Chʻunghyo kyoyuk chŏnjip
By: [chŏja O Se-bal ; chʻuchʻŏn Yi Ŭn-sang ; kamsu Yi Sŏn-gŭn, Chʻoe Yŏng-hŭi].
Publisher: Hyŏngmun Chʻulpʻansa
Published: 1978
Place of publication: Sŏul
Language: kor
Number of pages: 27