000 00352nam a2200145Ia 4500
020 _a9780602575724
082 _bt-1177
_a510
100 _a"MERTTENS,RUTH"
245 0 _aAbacus Evolve Textbook 1 (4)
260 _bGINN,Pearson education
_aUK
_c2007
300 _a80
944 _cTB
999 _c677097
_d677097