000 00338nam a2200145Ia 4500
020 _a0335000365520
082 _b1715
_a510
100 _a"GOLDEN BOOKS"
245 0 _aMath skillbuilders
260 _b,GOLDEN BOOKS PTV. LTD
_aUS
_c1987
300 _a64
944 _cTR
999 _c400832
_d400832