/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: beyoncechoo https://public.slidesharecdn.com/v2/images/profile-picture.png ๶Äฟสอัà¸È¨¹€à¸�่าเป็à¸È¨¹„รไม่รู้