Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Bednarz, Nadine and Kieran, Carolyn and Lee, Lesley",Approaches to algebra : perspectives for research and teaching,,Kluwer Academic Publishers,1996,Mathematics education library,,"0792341457,0792341686",,https://cir.nii.ac.jp/crid/1130282270680619392