한라 그룹 오십년사
Subtitle: Halla Group 50 years history, 1962-2012
Publisher: Halla Kŭrup
Published: 2012
Place of publication: Sŏul-si
Language: kor
Subjects: History; Conglomerate corporations; Halla Kŭrup
Other titles: Halla Kŭrup osimnyŏnsa; Halla Group 50 years history, 1962-2012; Halla Kŭrup 50-yŏnsa