/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: NguyenHanh4 https://cdn.slidesharecdn.com/profile-photo-NguyenHanh4-48x48.jpg?cb=1522998561 th畛�i ti畉�t ��i畛�u khi畛�n t但m tr畉�ng