실업계 고등학교 실용 상업 서예
Series: Mun'gyobu kŏmjŏng -- Che 3-234-ho; Che 3-234-ho
Publisher: Irhan Tosŏ Ch'ulp'ansa
Published: 2019
Place of publication: Sŏul
Language: kor
Other titles: Sirŏpkye kodŭng hakkyo siryong sangŏp sŏye