/ http://www.slideshare.net/images/logo.gif / �ݺ�ߣShare feed for �ݺ�ߣshows by User: phamthu_tcdna https://cdn.slidesharecdn.com/profile-photo-phamthu_tcdna-48x48.jpg?cb=1523163553 Không thích nói nhiều,thích chứng minh bằng hành động :D