Iyagi kwahaksa
By: Pak Sŏng-nae chiŭm.
Series: Chʻo, chung, kosaeng pʻiltok tosŏ
Publisher: Kyŏngwŏnʼgak
Published: 1990
Place of publication: Sŏul-si
Language: kor
Number of pages: 345
Subjects: Science -- History -- Juvenile literature; Science -- Korea -- History -- Juvenile literature
Other titles: Kwahaksa.