/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: vinhthongthai https://public.slidesharecdn.com/v2/images/profile-picture.png Tôi luôn là tôi.Sống vui vẻ và đầy Æ°á»›c mÆ¡:)