000			00678nam a22002057a 4500
003			OSt
005			20220404140129.0
008			121218b xxu||||| |||| 00| 0 eng d
020			_a0700506128
040			_ctshering
082			_a510.1 BEL
100			_aBell, A.W.
245			_aRearch on learning and teaching : _bReview of research in mathematical education / _cA.W. Bell, J. Costello, D.E. Küchemann.
260			_aNfer Nelson ; _bNfer Nelson publishing company Limited, _c1983.
300			_a336 p. : _bill. ; _c25 cm.
650			_aMathematics _x Study and teaching _x Research _zGreat Britain.
700			_aCostello, J.
700			_aKuchemann, D.
942			_2ddc _cBK
999			_c3796 _d3796