�ݺ�ߣshows by User: vui91

�ݺ�ߣshows by User: vui91 / http://www.slideshare.net/images/logo.gif �ݺ�ߣshows by User: vui91 / �ݺ�ߣShare feed for �ݺ�ߣshows by User: vui91 https://cdn.slidesharecdn.com/profile-photo-vui91-48x48.jpg?cb=1523589425 vui vẻ....