@Article{ MOLINA_Ambrose-:111-117,
author = { MARTA MOLINA and Rebecca Ambrose- } ,
title = { WHAT IS THAT EQUAL SIGN DOING IN THE MIDDLE?: FOSTERING RELATIONAL THINKING WHILE NEGOTIATING THE MEANING OF THE EQUAL SIGN. },
journal = { Teaching Children Mathematics },
year = { 2006 },
volume = { 13 },
pages = { 111-117 },
}