싸이월드는왜떴을까?
Subtitle: sai choŭn saramdŭl ŭi 7-kaji sŏnggong pangjŏngsik
By: [chŏja Chʻae Chi-hyŏng]
Edition: Chʻopʻan.
Publisher: Cheu Midiŏ
Published: 2005
Place of publication: Sŏul-si
Language: kor
Number of pages: 201
ISBN-13: 9788990886682
Subjects: Internet industry; Social networks; Computer network resources; Online social networks; Cyworld (Firm)
Other titles: Ssai wŏldŭ nŭn wae ttŏssŭlkka?