Kisul hyŏksin chŏllyak
By: Yi Ka-jong chŏ
Series: Nanam sinsŏ -- 159
Publisher: Nanam
Published: 1990
Place of publication: Sŏul
Language: kor
Number of pages: 374
Subjects: Technological innovations
Notes: Includes bibliographical references (p. 342-354) and indexes.