�ݺ�ߣshows by User: levannhatthang

�ݺ�ߣshows by User: levannhatthang / http://www.slideshare.net/images/logo.gif �ݺ�ߣshows by User: levannhatthang / �ݺ�ߣShare feed for �ݺ�ߣshows by User: levannhatthang https://cdn.slidesharecdn.com/profile-photo-levannhatthang-48x48.jpg?cb=1670410112 Xin liên hệ để bik thêm chj tiêt:Đ