000 00347nam a2200145Ia 4500
020 _a9780602575168
082 _b433-T
_a510
100 _a"Merttens Ruth"
245 0 _aAbacus evolve Textbook No. 3
260 _b,Ginn & Company
_aLAHORE
_c2001
300 _a80
944 _cTR
999 _c184441
_d184441