ISBN 7303003789 books & textbook
Middle school mathematics problem-solving methods: algebraic part no scroll. since ID: 1 [purchase $ 100 Free International(Chinese Edition)
TAN GUANG YU DING JIA TAI ZHAO SU LAN
Beijing Normal University Press /2000-01-01 Paperback
isbn-10: 7303003789 / isbn-13: 9787303003785
