TY  - GEN
AU  - Dennis, David
AU  - Confrey, Jere
TI  - geometric curve-drawing devices as an alternative approach to analytic geometry
T2  - Studies in Mathematical Thinking and Learning
KW  - Psicologia Educacional
KW  - 3500 - Psicologia Educacional
UR  - https://catalogo.ispa.pt/opac/biblioteca/localizacao_doc/e2.htm
ER  -