/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: nguyenvhung771 https://cdn.slidesharecdn.com/profile-photo-nguyenvhung771-48x48.jpg?cb=1563756519 12A PTTH TrÆ°ng VÆ°Æ¡ng, Quy NhÆ¡n, niên khoá: 1989-1990