000			00737nam a2200193 a 4500
005			20240316063703.0
008			991125s1967 ea 000 0 eng u
035			_aUPN01000037594
049			_aCG
050		4	_aQA135.5 _bM3.7
245	0	0	_aMathematics reform in the primary school : _ba report of a meeting of experts held in Hamburg during January, 1966 / _cprepared and ed. by J. D. Williams ; published with the permission of Unesco.
260			_aHamburg [Al. Fed.] : _bInstitute for Education, _c1967.
300			_a130 p.
440		0	_aInternational studies in education
650		4	_aMatemáticas _xEstudio y enseñanza (Elemental) _92809
650		4	_aMatemáticas _913035
700	1		_aWilliams, J. D., _eed.
905			_aLibro
999			_c37594 _d37594