/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ssuser4a7677 https://cdn.slidesharecdn.com/profile-photo-ssuser4a7677-48x48.jpg?cb=1523383582 ทำงาà¸È¨¸­à¸¢à¸¹à¹ˆ