ISBN 9787807304241 books & textbook
Mathematical Olympiad Jingjiang and testing (4 year)
ZHOU JIE YING FENG MING YANG CHEN MIN XIONG BIN FENG ZHI GANG
Academia Press Pub. Date :2007-10-01 /1991-01-01 Paperback
isbn-10: 7807304243 / isbn-13: 9787807304241
