Na manŭi segye ro ttŏnanŭn kkum ŭi yŏhaeng haeposeyo
By: Pak Chŏng-su pʻyŏn
Publisher: Chʻŏngnim Chʻulpʻan
Published: 1989
Place of publication: Sŏul
Language: kor
Number of pages: 92
Other titles: Haeposeyo.