Sŏm i sarajigo itta
Subtitle: Ch'oe Yŏn-hong hwan'gyŏng esei
Edition: Ch'op'an
Publisher: Pŏmusa
Published: 1999
Place of publication: Sŏul-si
Language: kor
Number of pages: 195
ISBN-13: 9788908041240
Subjects: Environmental protection; Pollution