000			00582nam a22001937a 4500
003			OSt
005			20220401102041.0
008			220401b |||||||| |||| 00| 0 eng d
020			_a9781103940271
040			_ckinley
082			_a507 TRA
100			_aTrafton, Gilbert H.
245			_aThe teaching of science in the elementary school / _cGilbert H Trafton.
260			_aBoston : _bHoughton Mifflin Company,
300			_ax, 293 p. : _c20 cm.
504			_aIncludes bibliographical references and index.
650			_a Science _xStudy and teaching.
942			_2ddc _cBK
999			_c15390 _d15390