Title: Unhae Hunmin chŏngŭm yŏnʼgu /
Authors: Kang, Sin-hang, 1930-; Sin, Kyŏng-jun, 1712-1781.
Publisher: Hanʼguk Yŏnʼguwŏn,
Year: 1967
Subjects: Sejong,; Sin, Kyŏng-jun,; Korean language Alphabet; Korean language Phonetics