Ttŏdonŭn saengtʻaehak
By: Yi To-wŏn chiŭm
Edition: Che 1-pʻan
Publisher: Pŏmyangsa Chʻulpʻanbu
Published: 1997
Place of publication: Sŏul-si
Language: kor
Number of pages: 334
Subjects: Ecology
Notes: Includes bibliographical references (p. [327]-334).