7-yŏn tongan ŭi cham
By: kŭl Pak Wan-sŏ ; kŭrim Kim Ae-yŏng.
Series: Saero ssŭgo saero kŭrin kŭrim nara 100 ; 17
Publisher: Tonghwa Chʻulpʻan Kongsa
Published: 1982
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 28