Analysis of the Influence of Physical Attractiveness, Attitude Homophily, and Social Unattractiveness on Purchase Intention through Credibility and Parasocial Interaction on Selebgram Monika Chai in Medan Journal title: Journal of Economics, Finance and Management Studies Authors: Nicolas C.,Ronald Suryaputra,Amelia Subject(s): Economics, Banks and Banking, Marketing, Accounting, Management, Business, Finance