Tongguk chŏngun yŏnʼgu
Subtitle: Pogwŏn pʻyŏn ; Yŏnʼgu pʻyŏn
By: Yu Chʻang-gyun chŏ
Publisher: Hyŏngsŏl Chʻulpʻansa
Published: 1966
Place of publication: [Place of publication not identified]
Language: kor
Subjects: Korean language; Phonology