000 00326nam a2200145Ia 4500
020 _a185758063X
082 _b911
_a510
100 _a"GEORGE RODDA"
245 0 _aBACK TO BASIC MATHS
260 _b,LETTS
_aHONG KONG
_c1992
300 _a32
944 _cTR
999 _c370265
_d370265