Chŏngbo t'ongsin kwallyŏn pŏmnyŏngjip
Publisher: Chʻŏngbo Tʻongsinbu
Published: 2007
Place of publication: [Kwach'ŏn-si]
Language: kor
Number of pages: 864
Subjects: Telecommunication; Law and legislation; Internet
Notes: "2007. 10."