國語史研究
By: An Pyŏng-hŭi chŏ
Edition: Chʻopʻan.
Publisher: Munhak kwa Chisŏngsa
Published: 1992
Place of publication: Sŏul
Language: kor
Number of pages: 470
Subjects: Korean language; History; Grammar; Writing; Idu
Other titles: Kugŏsa yŏnʼgu
Notes: Includes bibliographical references (p. 452-460) and index.