Int'ŏnet chŏnŏllijŭm esŏ ŭije ŭi munje
Series: K'ŏmyunik'eisyŏn ihae ch'ongsŏ
Publisher: K'ŏmyunik'eisyŏn Puksŭ
Published: 2014
Place of publication: Sŏul
Language: kor
Number of pages: 118
ISBN-13: 9791130401010