/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: DangVuNam https://cdn.slidesharecdn.com/profile-photo-DangVuNam-48x48.jpg?cb=1523500143 1-3 tu畛�i: n畉�m ng畛�a b炭 t鱈 ;)) 3-5 tu畛�i: m畉�u gi叩o 5-11 tu畛�i: ti畛�u h畛�c 11-15 tu畛�i: trung h畛�c c董 s畛� 15-18 tu畛�i: trung h畛�c ph畛� th担ng 18-??......