/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: nhuyhuynh35 https://cdn.slidesharecdn.com/profile-photo-nhuyhuynh35-48x48.jpg?cb=1667528641 sinh vien nam 3 ��HBK ��N nganh cong nghe moi truong