Chojik kaeballon
Subtitle: iron, kipŏp, sarye yŏnʼgu
By: Yi Hak-chong chŏ.
Edition: Chʻopʻan
Series: Kyŏngyŏnghak chʻongsŏ; Kyŏngyŏnghak chʻongsŏ (Pŏmmunsa)
Publisher: Pŏmmunsa
Published: 1989
Place of publication: Sŏul-si
Language: kor
Number of pages: 616
Subjects: Industrial organization; Organization
Notes: Includes bibliographical references and indexes.