�ݺ�ߣshows by User: wwwgiabao

�ݺ�ߣshows by User: wwwgiabao / http://www.slideshare.net/images/logo.gif �ݺ�ߣshows by User: wwwgiabao / �ݺ�ߣShare feed for �ݺ�ߣshows by User: wwwgiabao https://cdn.slidesharecdn.com/profile-photo-wwwgiabao-48x48.jpg?cb=1523462505 ta là một, là riêng, là duy nhất !!!