/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: honghuypham1 https://cdn.slidesharecdn.com/profile-photo-honghuypham1-48x48.jpg?cb=1615995878 đéo có chi để giá»›i thiệu cả