/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: kjmcam https://cdn.slidesharecdn.com/profile-photo-kjmcam-48x48.jpg?cb=1523487727 "Khôn cÅ©ng chết, dại cÅ©ng chết, biết thì sống"