Kwahaksa iyagi
By: Ch'ŏn Pyŏng-su, Yu Chong-su kongjŏ
Contributors: Yu, Chŏng-su
Publisher: Yuhan Munhwasa
Published: 2011
Place of publication: Sŏul-si
Language: kor
Number of pages: 226
ISBN-13: 9788977221239
Subjects: Science; Popular works; History
Notes: Includes index.