000 00501n a2200205#a 4500
001 23400
003 P5A
005 20230829154900.0
008 981208s1956 enk 000 0 eng d
035 _aocm40457149
040 _aP5A
_bpor
_cP5A
049 _aP5AA
082 _a510.7
090 _aens
245 0 4 _aThe teaching of mathematics in secondary schools.
260 _aCambridge, UK:
_bCambridge University Press,
_c1956.
300 _a247 p.:
697 _aEnsino
_919
942 _2impa
_cBK
999 _c23482
_d23482