A Study on Public Information Service using Twitter - Focused on Twitters of Major Metropolitans -
2015 ◽
Vol 46
(1)
◽
pp. 115-133
2011 ◽
Vol 2
(3)
◽
pp. 1-13
1995 ◽
Vol 12
(4)
◽
pp. 499-500
◽