/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: nguyenbetam https://cdn.slidesharecdn.com/profile-photo-nguyenbetam-48x48.jpg?cb=1523413750 l�� m畛�t ng動畛�i b狸nh th動畛�ng, 鱈t n坦i v�� n坦i chung l�� c坦 ��担i l炭c thay ��畛�i theo th畛�i ti畉�t.hjhj