@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 },
}