00479nam a2200145Ia 4500008004100000100001600041245012300057245001600180260005900196260000900255300001000264650001800274650001500292856002600307170221s9999    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  a3 : 4  xCommunication  xMedia Arts  uhttp://www.ojcmt.net/