/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ssuserd5892f https://cdn.slidesharecdn.com/profile-photo-ssuserd5892f-48x48.jpg?cb=1523677226 ึϸµà¸¡à¸²à¸�เ๶Äละปาà¸È¨¸�ลาง