000 00313cam a2200121 4500
020 _a0719544572 (pbk.)
100 1 _aWARREN T
245 0 _aSteps in understanding mathematics:
_bTeachers' resource book 3
260 _aLondon:
_bJohn Murray,
_c1989
300 _a251p.
700 _aCOX C J
945 _i0010863
_rY
_sY
999 _c46147
_d46147