/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: huanele https://cdn.slidesharecdn.com/profile-photo-huanele-48x48.jpg?cb=1564395080 Cu畛�c s畛�ng c畉�n c坦 s畛� c但n b畉�ng v畛� m畛�i m畉�t. kh担ng ng畛�ng h畛�c h畛�i, n但ng cao nh畉�n th畛�c v�� h��nh ��畛�ng ��畛� c坦 cu畛�c s畛�ng t畛�t h董n