/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ssuserd23d95 https://cdn.slidesharecdn.com/profile-photo-ssuserd23d95-48x48.jpg?cb=1523664771 ึϸµà¹†à¸—ั้งน้าà¸È¨¹€à¸¥à¸¢555