/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: hoangpm https://cdn.slidesharecdn.com/profile-photo-hoangpm-48x48.jpg?cb=1541917088 Nh畛�ng kh坦 kh��n ��畛�i th動畛�ng ch畛� l��m cho t担i th棚m nhi畛�u kinh nghi畛�m s畛�ng ��畛� chia s畉� c湛ng b畉�n.