/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: arnonhutsadong https://cdn.slidesharecdn.com/profile-photo-arnonhutsadong-48x48.jpg?cb=1523440417 คนึϸµà¸•à¹‰à¸­à¸‡à¸¡à¸µà¸—ี่ยืน