Chŏkchŏng kisul
Subtitle: AT appropriate technology
By: Nanum kwa Kisul
Edition: Ch'op'an
Publisher: Hŏwŏn Midiŏ
Published: 2011
Place of publication: Sŏul-si
Language: kor
Number of pages: 215
ISBN-13: 9788992162326
Subjects: Appropriate technology
Other titles: Appropriate technology; 36.5-to ŭi kwahak kisul