/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ploypailininlaoyai https://cdn.slidesharecdn.com/profile-photo-ploypailininlaoyai-48x48.jpg?cb=1523638814 ๶Äป็à¸È¨¹€à¸ à¸ªà¸±à¸Šà¸�รค่ะ