000 00627nam a2200241Ia 4500
003 OSt
005 20220912152039.0
006 a|||||r|||| 00| 0
007 ta
008 220909b |||||||| |||| 00| 0 eng d
024 _a60905
037 _cTextual
040 _aCSL
_beng
_cCSL
041 _aeng
082 _aB, K7.2
100 _aSchool mathematics Research Foundation John N
245 0 _aMathematics for today and tomrrow
260 _c1967
300 _ap.
_ccm.
650 _aMathematics
942 _hB, K7.2
_cTEXL
_2CC
999 _c79855
_d79855