환경기술인 20년사 1986-2006
Publisher: Han'guk Hwan'gyŏng Kisurin Yŏnhaphoe
Published: 2006
Place of publication: Sŏul
Language: kor
Number of pages: 269
Subjects: History; Han'guk Hwan'gyŏng Kisurin Yŏnhaphoe
Other titles: Hwan'gyŏng kisurin 20-yŏnsa 1986-2006; Hwan'gyŏng kisurin isimnyŏnsa