Title: Sŏae yŏnʾgu.
Authors: Sŏae Yu Sŏng-nyong Sŏnsaeng Kinyŏm Saŏphoe.
Publisher: Sŏae Yu Sŏng-nyong Sŏnsaeng Kinyŏm Saŏphoe,
Year: 1978
Subjects: Yu, Sŏng-nyong, Periodicals.