Jin Yan @jin-yan Active 8 years, 8 months ago ActivityProfileSites 0Friends 0Groups 0 PersonalMentionsFavoritesFriendsGroups Show: — Everything — Updates New Sites Posts Comments Friendships New Groups Group Memberships Group Updates Jin Yan posted a new activity comment 8 years, 11 months ago http://eportfolios.fox.temple.edu/jyan/ View Conversation CourseDepartmentFaculty/Staff portfolioProjectStudent portfolio