4월의성좌 ：
By: [Chin U-sŏk ; pʻyŏnjip Pak Tʻae-su]
Publisher: Munye Chʻulpʻansa
Published: 1987
Place of publication: Pʻyŏngyang
Language: kor
Number of pages: 607
Other titles: Sawŏl ŭi sŏngjwa
Notes: Cover title.