000			00383nam a2200145 4500
003			OSt
008			220602b |||||||| |||| 00| 0 eng d
082			_a510.7 _bBUT
100			_aButler, Charles H.
245			_aThe Teaching of Secondary Mathematics
260			_aNew York: _bMcGraw-Hill Book Company, _c1951.
300			_a613p.; _c24cm
650		0	_aMathematics
942			_2ddc _cLM
999			_c136221 _d136221