progrmas de edicion de presentaciones 1 eso By alaitz barasoain 1987 miscrosoft pawer point https://www.youtube.com/watch?v=Gc2HxFNshAo 2002 open office impress https://www.youtube.com/watch?v=MsYPH26Cqxg 2012 google press https://go.ivoox.com/rf/29217334
