00351nam a22001457a 4500003000400000020001800004082001800022100001700040245002600057250000800083260005000091300000800141650002100149700003500170OSt  a9780470827413  a334.2bPOW/RO  aGuy R.Powell  aRole of Social Media   a1st  aAsia bJohn Wiley &Sons (Asia) Pvt.Ltd.c2011  a289  aThe Brand Image   aSteven  W. GrovesaJerry Dimos