Kigye sanch'aekcha
Subtitle: pip'yŏngga Yi Yŏng-jun, kigyedŭl ŭi tosi rŭl kŏtta
Publisher: Iŭm
Published: 2012
Place of publication: Sŏul-si
Language: kor
Number of pages: 283
ISBN-13: 9788993166552
Subjects: Technology and civilization; Machinery; Social aspects
Notes: Includes bibliographical references (page 283).