000 00576nam a2200193Ia 4500
005 20250508162410.0
008 008 250505s9999 xx 000 0 eng d
020 _a92-3-101779-9
037 _aTextual
040 _aFEDL
_beng
_cFEDL
041 _aeng
_2eng
084 _a510.7, UNE
_qFEDL
100 _aMorris Robert
245 0 _aStudies in mathematics education. Vol 1
260 _aParis, France
_bUnited Nations Educational, Scientific and Cultural Organization
_c1980
300 _a129p.
942 _cTEXL
_h510.7, UNE
999 _c1376300
_d1376300