TY - BOOK ID - 136446874 TI - Yun shu fu wu : jia qiang san bo he jian du yun shu bu de zhun ze ke yi shi bu hei shuo Ying yu de ren huo de geng hao de fu wu. PY - 2005 PB - [Washington, D.C.] : U.S. Government Accountability Office, DB - UniCat KW - Transportation KW - Language policy KW - Information services. KW - United States. KW - Rules and practice. UR - https://www.unicat.be/uniCat?func=search&query=sysid:136446874 AB - ER -