/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: camnguyenthuy https://cdn.slidesharecdn.com/profile-photo-camnguyenthuy-48x48.jpg?cb=1523447401 thay đổi là sống, nhÆ°ng không biết thay đổi where, how, when, why?