Ŭmsonghak
By: Yi Kŭng-no chŏ
Publisher: Amungak
Published: 1947
Place of publication: [Sŏul]
Language: kor
Number of pages: 52
Subjects: Korean language; Phonetics
Other titles: Sirhŏm tohae Chosŏnŏ ŭmsŏnghak.; Chosŏnŏ ŭmsŏnghak.