/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: doandiepn3 https://cdn.slidesharecdn.com/profile-photo-doandiepn3-48x48.jpg?cb=1523406151 l�� sinh vi棚n n��m 2 tr動畛�ng ��畉�i h畛�c b叩ch khoa ���� n畉�ng