000 00377nam a2200157Ia 4500
020 _a9780602575731
040 _cPK-LaCSN
082 _bt-1086
_a510
100 _a"Merttens,Ruth"
245 0 _aAbacus Evolve Textbook 2 (4)
260 _b,Pearson Education
_auk
_c2007
300 _a80
942 _2ddc
_cTR
999 _c677036
_d677036