@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 },

}