Kwahak kwa metʻa kwahak
Subtitle: chayŏn kwahak ŭi kujo wa ŭimi
By: Chang Hoe-ik
Edition: Chʻopʻan
Publisher: Chisik Sanŏpsa
Published: 1990
Place of publication: Sŏul-si
Language: kor
Number of pages: 293
Subjects: Science
Other titles: Chayŏn kwahak ŭi kujo wa ŭimi
Notes: Includes index.