/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: wattanasetahosi https://cdn.slidesharecdn.com/profile-photo-wattanasetahosi-48x48.jpg?cb=1600169332 E-mail : vipat08@gmail.com โทร. 08-1965-3003