000 00348nam a2200145Ia 4500
020 _a9695050301
040 _cPK-LaCSN
082 _a510
_bINF
245 0 _aInfant mathematics
_bstudent anthology
260 _c[NA]
_bHeinemann/ Sunrise
_aKarachi
300 _a22
942 _cTB
999 _c835560
_d835537