/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: thoysinh https://cdn.slidesharecdn.com/profile-photo-thoysinh-48x48.jpg?cb=1523538897 H畛�c ng��nh B叩c S挑 Th畛� Thao, th鱈ch ��叩 b坦ng, ��i du l畛�ch. y棚u s畛� ch但n th��nh.........................