/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: thanhtamsos https://cdn.slidesharecdn.com/profile-photo-thanhtamsos-48x48.jpg?cb=1523331704 nếu muốn biết thì tá»± tìm hiểu ha, giá»›i thiệu ra mất vui...hahaha