/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: BillieMiller https://cdn.slidesharecdn.com/profile-photo-BillieMiller-48x48.jpg?cb=1523008935 I'm working on my PhD at Penn State (VERY slowly because of wanting to spend time with my family - especially while the kids are still young).