@inproceedings{ MOLINA_CASTRO_CASTRO:399-406,
author = { MARTA MOLINA and ENCARNACION CASTRO MARTINEZ and ENRIQUE CASTRO MARTINEZ } ,
title = { THIRD GRADERS STRATEGIES AND USE OF RELATIONAL THINKING WHEN SOLVING NUMBER SENTENCES },
booktitle = { JOINT MEETING OF PME 32 AND PME-NA XXX (32) (32.2008.MORELIA) },
year = { 2008 },
pages = { 399 - 406 },
location = { MORELIA },
}