Tto hana ŭi segye rŭl yŏnŭn t'ŭwit'ŏ, 140-cha ŭi maejik
By: Yi Sŏng-gyu chiŭm
Edition: Ch'op'an
Publisher: Ch'aekpose
Published: 2009
Place of publication: Sŏul-si
Language: kor
Number of pages: 192
ISBN-13: 9788993854053
Subjects: Twitter; Online social networks
Other titles: T'ŭwit'ŏ, 140-cha ŭi maejik; Twitter, Social network service ; SNS