에스원이십년사
Publisher: Chusik Hoesa Esŭwŏn
Published: 2001
Place of publication: Sŏul-si
Language: kor
Number of pages: 467
Subjects: History; Chusik Hoesa Esŭwŏn
Other titles: Esŭwŏn isimnyŏnsa; Esŭwŏn 20-yŏnsa