/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: plamnattapong https://cdn.slidesharecdn.com/profile-photo-plamnattapong-48x48.jpg?cb=1708004532 ปิึϸ›à¸£à¸±à¸šà¸›à¸£à¸¸à¸‡