/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: catapcm https://cdn.slidesharecdn.com/profile-photo-catapcm-48x48.jpg?cb=1523423954 ·¡²Ñ±õ±··¡²ÑÓË¥