000 00328nam a2200145Ia 4500
020 _a0719574951
082 _b1813
_a510
100 _a"Pimentel Ric"
245 0 _aCore Mathematics
260 _bJohn Merry
_aPakistan
_c2000
300 _a392
944 _cTR
999 _c698852
_d698852