Agi twaeji sam hyŏngje
By: [chʻaegim pʻyŏnjip Kim Yo-sŏp].
Series: Chinŭng kyebal kyoyuk sirijŭ ; 7; Ŏrini tosŏgwan
Publisher: Samsŏngdang
Published: 1979
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 33