Paek, ûng-jin 白 應鎭 Nogôldae 老乞大 Paek, ûng-jin 白 應鎭 - Sôul 1997 한국 문화사 1997 - 215 p. ISBN: 8977354005 Subjects--Topical Terms: Language -- Phonetics -- Classical -- The Modern KoreanLanguage -- Textbooks -- Classical -- Textbooks For Governmental Interpreters -- Middle Chosôn