/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: konthaiwong https://cdn.slidesharecdn.com/profile-photo-konthaiwong-48x48.jpg?cb=1523676963 ÊصÃÔÆ¿ª¼ûÃ÷Ô¡£