Yuboyul kŭpchŭng, chŏngmal munje in'ga?
By: Im Kyŏng-muk
Series: KDI chŏngch'aek p'orŏm -- Che 190-ho (2008-02)
Publisher: KDI
Published: 2008
Place of publication: Sŏul-si
Language: kor
Notes: Includes bibliographical references.