/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: wahyukoswara1 https://cdn.slidesharecdn.com/profile-photo-wahyukoswara1-48x48.jpg?cb=1523593115 True friendship is like sound health; the value of it is seldom known until it is lost. Charles Caleb Colton