/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: andykhoa1509 https://cdn.slidesharecdn.com/profile-photo-andykhoa1509-48x48.jpg?cb=1524117769 ±·²µ³ó±ðÌ€´Ç