LEADER 00000nam 2200193 a 4500
001 0949493
007 t
008 002801 2 1991 000 eng
020 0521409446
040 CURLBL
100 1 Holding, John.
245 14 The investigations book :|ba resource book for teachers of
mathematics.
260 Cambridge :|bCambridge University Press,|c1991.
300 186p.
946 6XX absent
|