De Kang Yu @de-kang-yu Active 7 years, 9 months ago ActivityProfileSites 0Friends 0Groups 0 PersonalMentionsFavoritesFriendsGroups Show: — Everything — Updates New Sites Posts Comments Friendships New Groups Group Memberships Group Updates De Kang Yu commented on the post, Progress Report for Week Ending, September 29, on the site 9 years, 3 months ago http://eportfolios.fox.temple.edu/deyu/ View Conversation CourseDepartmentFaculty/Staff portfolioProjectStudent portfolio