TY - GEN AU - Kanbir, Sinan, AU - Clements, M. A. AU - Ellerton, Nerida F. AU - Kelly, Anthony E., CN - QA159 ID - 824380 KW - Algebra LK - https://univsouthin.idm.oclc.org/login?url=http://link.springer.com/10.1007/978-3-319-59204-6 SN - 9783319592046 SN - 3319592041 T1 - Using design research and history to tackle a fundamental problem with school algebra :improving the quality of algebra education at the middle-school level / TI - Using design research and history to tackle a fundamental problem with school algebra :improving the quality of algebra education at the middle-school level / UR - https://univsouthin.idm.oclc.org/login?url=http://link.springer.com/10.1007/978-3-319-59204-6 ER -