Altchabaegi kwahak sangsik
Subtitle: chung-kosaeng putʻŏ ilbanin kkaji
By: Sŏul Kwahak Kodŭng Hakkyo Sŏnsaengnimdŭl chiŭm
Publisher: Chinsŏn Chʻulpʻansa
Published: 1995
Place of publication: Sŏul-si
Language: kor
Number of pages: 218
Subjects: Science; Popular works
Other titles: Kwahak sangsik