환경보전에 관한 국민의식조사 결과보고서 2018
By: .
Publisher: Hwan'gyŏngbu
Published: 2020
Place of publication: Sejong T'ŭkpyŏl Chach'isi
Language: kor
Other titles: Han'gyŏng pojŏn e kwanhan kungmin ŭisik chosa kyŏlgwa pogosŏ 2018