Kugŏ sunhwa charyojip
Subtitle: Namhan esŏ sunhwahan mal, Pukhan esŏ tadŭmŭn mal
By: Yi Ŭn-jŏng pʻyŏn
Publisher: Kugŏ Munhwasa
Published: 1991
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 444
Subjects: Korean language; Usage; Language purism