20-tae taet'ongnyŏng ŭn nae ka handa
Subtitle: parŭn kukka kaejo rŭl wansŏng hal chunbi toen taet'ongnyŏng
Publisher: Pomin Ch'ulp'ansa
Published: 2021
Place of publication: Inch'ŏn-si
Language: kor
ISBN-13: 9791191181807