Na nŭn wae ŏmma ege hwa ka nalkka
Subtitle: sangch'ŏ rŭl chugo pannŭn ŏmma wa ttal ŭl wihan ch'iyu p'ŭrojekt'ŭ
Publisher: Yedam
Published: 2017
Place of publication: Kyŏnggi-do Koyang-si
Language: kor
ISBN-13: 9788959135332