000 00329nam a2200145Ia 4500
020 _a9695050328
040 _cPK-LaCSN
082 _a510
_bPRI
245 0 _aPrimary mathematics
260 _c1997
_bHeinemann/Sunrise
_aKarachi
300 _a39
942 _cTB
999 _c837634
_d837611