Noksaek sahoe rŭl wihan pipʻyŏng
By: Chʻoe Pyŏng-du chiŭm
Edition: Chʻopʻan
Series: Chʻoe Pyŏng-du chiri pʻyŏngnonjip -- 2; Chʻoe Pyŏng-du chiri pʻyŏngnonjip -- 2.
Publisher: Hanul
Published: 1999
Place of publication: Sŏul-si
Language: kor
Number of pages: 445
Subjects: Environmental sciences; Green movement