00481nam a2200145Ia 4500008004100000100001600041245012300057245001600180260005900196260000900255300001200264650001800276650001500294856002600309170221s9999    xx            000 0 und d  aMoonhee Cho  aUser Perceptions of Social Media: A Comparative Study of Perceived Characteristics and User Profiles by Social Media    cMoonhee Cho  bOnline Journal of Communication and Media Technologies  c2013  a33 : 10  xCommunication  xMedia Arts  uhttp://www.ojcmt.net/