@Article{ ORTIZ_Font-Moll:192-219,

author = { JUAN JESÚS ORTIZ DE HARO and Vicenç Font-Moll } ,

title = { Pre-service teachers¿ common content knowledge regarding the arithmetic mean },

journal = { Journal of Research in Mathematics Education },

year = { 2014 },

volume = { 3 },

pages = { 192-219 },

doi = { http://www.hipatiapress.com/hpjournals/index.php/redimat },

}