000 00509nam a2200181Ia 4500
005 20250114191557.0
008 250113s9999 xx 000 0 und d
041 _aeng
082 _bJ5
_aT:3Bu63
100 _aVan Rooy, A. J.
245 _aTeaching of mathematical subects in south africa
260 _c1965
_bNational bureau of educational social research
_aPretoria
300 _axxi,411p.
365 _cRs.
440 _aN. B. E. S. R. Res. Sr. N. 24
650 _aT:3Bu63
700 _aVan Rooy, A. J.
999 _c74390
_d74390