/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: LahCastro https://cdn.slidesharecdn.com/profile-photo-LahCastro-48x48.jpg?cb=1524187539 ¹ó²¹°ù³¾²¹³¦Ãª³Ü³Ù¾±³¦²¹