/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: HermawanWibowo https://public.slidesharecdn.com/v2/images/profile-picture.png "We don’t stop playing because we grow old, we grow old because we stop playing" George Bernard Shaw "Combinatory play seems to be the essential feature in productive thought" Albert Einstein "Almost all creativity involves purposeful play" Abraham Maslow