/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: tumpalnainggolan https://cdn.slidesharecdn.com/profile-photo-tumpalnainggolan-48x48.jpg?cb=1705932333 Great things are done more through courage than through wisdom. About me? Hmm.. nothing much to describe. A simple guy, I guess.