/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: cuongnd15 https://cdn.slidesharecdn.com/profile-photo-cuongnd15-48x48.jpg?cb=1523308823 Y畉�u t畛� quan tr畛�ng nh畉�t trong c担ng th畛�c c畛�a th��nh c担ng l�� bi畉�t c叩ch h嘆a h畛�p v畛�i m畛�i ng動畛�i. -Theodore Roosevelt- Blog: http://www.ngoduccuong.com/