/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: dolruedeeboonsanga https://cdn.slidesharecdn.com/profile-photo-dolruedeeboonsanga-48x48.jpg?cb=1523495955 ึϸµà¹ƒà¸ˆà¸—ี่มีเทอ