/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: vinhbtvn9x https://cdn.slidesharecdn.com/profile-photo-vinhbtvn9x-48x48.jpg?cb=1601018773 S畛� h畛�c kh担ng ch畛� b畉�t ngu畛�n t畛� l畛�p h畛�c