/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: DungDuDu1510 https://public.slidesharecdn.com/v2/images/profile-picture.png N��m 1tuoi ,bu�� s動a�� me. ��棚n�� 6t, dj hoc .bat dau qua trjnh gjan nao kho nhoc .den 18t dc ra khoj dja nguc .bdau csog taj tren daj hoc .mo dau la 1tha��ng tap qsu .huhu