000 00326nam a2200145Ia 4500
020 _a9780170086301
082 _b3665
_a510
100 _a"Betty Wardell"
245 0 _aMaths Practice
260 _bNelson
_aAustralia
_c1994
300 _a64
944 _cTR
999 _c546497
_d546497