Aguinis, MarcosAna MarÃa Petti, Liliana H. Perini, Gabriel D. SerafiniAndre, ChristopheArthur SchopenhauerAvia Aranda, MarÃa DoloresCatapultaD'espósito, LeonardoDubet, FrançoisFacundo ManesGary ChapmanHooper, AnneMartÃnez, MarÃaMICHAEL FREEMANParra, CeciliaPasricha, NeilPommier, GérardVariosVarios autoresVV. AA.Wattles, Wallace D.