際際滷shows by User: luongvanthien / http://www.slideshare.net/images/logo.gif 際際滷shows by User: luongvanthien / 際際滷Share feed for 際際滷shows by User: luongvanthien https://cdn.slidesharecdn.com/profile-photo-luongvanthien-48x48.jpg?cb=1523610722 ChuyenToan Gi畛: KSTN-TVT B叩ch Khoa H N畛i da hoc tai THCS Thi Tran Yen Thinh , Yen Mo