000 00363nam a2200157Ia 4500
020 _a9780602575090
040 _cPK-LaCSN
082 _a510
_b"Merttens, Ruth"
100 _a"Merttens, Ruth"
245 0 _aAbacus evolve 2 textbook
260 _bGinn
_aHorlow
300 _a32
942 _cTB
999 _c847840
_d847817