/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: duongtien1994 https://cdn.slidesharecdn.com/profile-photo-duongtien1994-48x48.jpg?cb=1523431054 kỉ cÆ°Æ¡ng , cứng nhắc ? dá»… hòa đồng ? thích kết bạn ?