@inbook{ Castro_Rico-Romero_GÓMEZ:253-253,
author = { Elena Castro Rodríguez and Luis Rico-Romero and PEDRO GÓMEZ GUZMÁN } ,
title = { Meaning of the part-whole relation and the concept of fraction for primary teachers },
booktitle = { Proceedings of the 36th Conference of the International Group for the Psychology of Mathematics Education },
isbn = { 0771-100X },
publisher = { PME },
pages = { 253 - 253 },
year = { 2012 },
}