Tʻonggyehak
By: Yi Kyu-hwa cha [i.e. chŏ].
Edition: Chŏnjŏng chŭngbopʻan.
Series: Taehak chŏnsŏ. Kyŏngjehak kangŭi; Taehak chŏnsŏ.
Publisher: Pagyŏngsa
Published: 1981
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 328
Subjects: Statistics.