/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: vanminhhd91 https://cdn.slidesharecdn.com/profile-photo-vanminhhd91-48x48.jpg?cb=1523432447 Có trách nhiệm_ ngã ở đâu đứng dậy ở đấy!!!