/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: saprakopkit https://cdn.slidesharecdn.com/profile-photo-saprakopkit-48x48.jpg?cb=1523519845 ยิà¸È¨¸”ีที่ได้รู้จัà¸�เทอ