/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: TrnQuangSang https://cdn.slidesharecdn.com/profile-photo-TrnQuangSang-48x48.jpg?cb=1523164168 Chu畉�n b畛� cho b畉�n t畉�t c畉� ki畉�n th畛�c v�� s畛� hi畛�u bi畉�t,r畛�i cu畛�c s畛�ng s畉� mang ��畉�n cho b畉�n s畛� kh担n ngoan. ��i畛�u t担i c畉�n l��:hi畛�u bi畉�t,kinh nghi畛�m & s畛� kh担n ngoan