/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: khoivinhlong https://cdn.slidesharecdn.com/profile-photo-khoivinhlong-48x48.jpg?cb=1523516801 D畉�y ch畛�ng ch畛� qu畛�c gia Tin H畛�c A v�� B, ��達 l畉�p gia ��狸nh v�� c坦 hai ch叩u g叩i sinh ��担i.