Hyŏndaein i araya hal kwahak sangsik
By: Han Chong-sŏn pʻyŏnjŏ
Publisher: Myŏngji Chʻulpʻansa
Published: 1989
Place of publication: Sŏul
Language: kor
Number of pages: 274
Subjects: Science; Popular works
Other titles: Kwahak sangsik.