Ma B. Bernabe Loranca R. Boone R. Aguirre J. E. Espinosa Juan Oliveto Gustavo Lafuente Luis Olsina Study for Classification of Quality Attributes in Argentinean ECommerce Sites. 47 2006 conf/conielecomp/2006 CONIELECOMP http://doi.ieeecomputersociety.org/10.1109/CONIELECOMP.2006.57 db/conf/conielecomp/conielecomp2006.html#LorancaBAEOLO06