Ch'angjo kyŏngje wa yunghap
Series: K'ŏmyunik'eisyŏn ihae ch'ongsŏ
Publisher: K'ŏmyunik'eisyŏn Puksŭ
Published: 2014
Place of publication: Sŏul
Language: kor
Number of pages: 153
ISBN-13: 9791130401270