/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: letrongnghia1602 https://public.slidesharecdn.com/v2/images/profile-picture.png T棚n th畉�t l�� : L棚 Tr畛�ng Ngh挑a SDT :01629132705 SDT m畛�i : 0968548509