| Table of contents Relime vol.15 n.2 Ciudad de México Jul. 2012 Editorial | | | | · 0.167 Cantoral, Ricardo; Reyes-Gasperini, Daniela
| | | Articles | | | | · Multiple representations: a contribution for the learning of the concept of function Andrade, Jael Miriam; Saraiva, Manuel Joaquim
| | | | · The normative and meta-normative dimensions in a context of exploratory-investigative classes Assis, Adriana; Godino, Juan D.; Frade, Cristina
| | | | · Validation of a genetic decomposition of linear transformation: An analysis refined by the implementation of the research cycle related to APOS theory Roa-Fuentes, Solange; Oktaç, Asuman
| | | | · High school students' structural sense in the context of simplification of algebraic fractions that involve notable equations Vega-Castro, Danellys; Molina, Marta; Castro, Encarnación
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