-
1by Contreras,Freddy , Fouillioux,Christian , Pacheco,Betsy , Maroun,Charbel , Bolivar,Hector , Lares,Mary , Velasco,Manuel
Published 2006Digital revistaSCIELO -
2by Fouillioux,Christian, Contreras,Freddy, Lares,Mary, Magaldi,Luis, La Mayda,Claudia, Pacheco,Betsy, Velasco,Manuel
Published 2008Digital revistaSCIELO