Sanŏp kisul yechʻŭk chosa
Subtitle: Chʻonggwal pʻyŏn
Publisher: Sanggongbu Kisul Yechʻŭk Chosadan
Published: 1992
Place of publication: [Seoul]
Language: kor
Number of pages: 163
Subjects: Technological innovations; Technological forecasting
Notes: "1992."