Kugŏ ŭi ŭmsŏnghakchŏk yŏnʼgu
By: Yang Che-chʻil chŏ
Publisher: Ŏnmun Yŏnʼguhoe
Published: 1974
Place of publication: Sŏul
Language: kor
Number of pages: 246
Subjects: Korean language; Phonetics; Grammar