TY - BOOK AU - Xu,Juan TI - Yuan cheng dui wai Han yu jiao xue ping jia yan jiu SN - 9787801848819 AV - LC 5800 Y82 2007 PY - 2007/// CY - Beijing Shi PB - Yu wen chu ban she KW - DISTANCE EDUCATION KW - CHINESE LANGUAGE KW - STUDY AND TEACHING KW - FOREIGN SPEAKERS N1 - หนังสือจีน General Book ER -