/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: dkreturned https://cdn.slidesharecdn.com/profile-photo-dkreturned-48x48.jpg?cb=1523581797 Thích khám phá, thích sáng tạo, thích được Ä‘i khắp nÆ¡i, ...