000 00338nam a2200145Ia 4500
020 _a9780-602-5758
082 _bT65
_a510
100 _a"Merttens, Ruth"
245 0 _aAbacus Evolve 6 Textbook 2
260 _bPearson Education
_c2011
300 _a49
944 _cTB
999 _c472015
_d472015