/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: HongTh2 https://cdn.slidesharecdn.com/profile-photo-HongTh2-48x48.jpg?cb=1523679222 ��t n坦i v�� kh担ng c坦 kh畉� n��ng giao ti畉�p t畛�t, nh動ng r畉�t tr但n tr畛�ng nh畛�ng ng動畛�i b畉�n b棚n c畉�nh m狸nh