TANNER E, CONVERSATION C.Internet forum participants debate augusto pinochet′s detention Journal of Communication\[J\] . Journal of Communication, 2001(6): 383-385.
[2]
SHAH D,SCHMIERBACH M,HAWKINS J. Norecursive models of internet use and community engagement: question whether time spent online erodes social capital \[J\]. Journalism and Mass Communication Quarterly, 2002(4):964-987.