/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: johnvnam https://cdn.slidesharecdn.com/profile-photo-johnvnam-48x48.jpg?cb=1523464969 sinh vi棚n tr動畛�ng kinh t畉� qu畛�c d但n "national economics university"