/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: doquanglinh35 https://cdn.slidesharecdn.com/profile-photo-doquanglinh35-48x48.jpg?cb=1523516332 L畉�c quan y棚u ��畛�i kh担ng suy ngh挑