/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: ialt3u https://cdn.slidesharecdn.com/profile-photo-ialt3u-48x48.jpg?cb=1523718504 C坦 l畉� bu畛�n.... v�� ��担i ch炭t v畉�n v動董ng B畛�i cu畛�c s畛�ng.... ��au kh畛� l�� chuy畛�n th動畛�ng Bi畉�t ��畛�ng d畉�y.... sau c董n s畉�u nh但n th畉� Ng畉�ng cao ��畉�u..... ng畉�o ngh畛� v畛�i th畉� gian....