21-segi wa chayŏn kwahak
By: Sŏul Taehakkyo Chayŏn Kwahak Taehak kyosu 31-in chiŭm.
Contributors: Sŏul Taehakkyo. Chayŏn Kwahak Taehak.
Edition: 1-pʻan
Publisher: Sagyejŏl
Published: 1994
Place of publication: Sŏul-si
Language: kor
Number of pages: 370
Subjects: Science -- Forecasting.; Technological forecasting.; Twenty-first century -- Forecasts.
Genres: Forecasting.; Forecasts.