/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: sumedtaprasatkew https://public.slidesharecdn.com/v2/images/profile-picture.png มารยาทà¸È¨¸³à¸«à¸™à¹‰à¸²à¸§à¸´à¸Šà¸²à¸�าร