@Article{ GÓMEZ:157-1 68,

author = { PEDRO GÓMEZ GUZMÁN } ,

title = { TOWARD A METHODOLOGY FOR EXPLORING MATHEMATICS PRESERVICE TEACHERS¿ LEARNING FROM A SOCIOCULTURAL PERSPECTIVE },

journal = { PNA },

year = { 2009 },

volume = { 3 },

pages = { 157-1 68 },

}