Kisul kaebal, irŏkʻe haenaetta.
Contributors: Hanʼguk Muyŏk Hyŏphoe.
Series: Chosa -- 91-1; Chosa (Hanʼguk Muyŏk Hyŏphoe) -- 91-1.
Publisher: Hanʼguk Muyŏk Hyŏphoe
Published: 1991
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 274
Subjects: Technological innovations -- Korea (South)
Notes: "1991. 1."