Jurkyw, Yuri IvánYuri.Jurkyw@ues21.edu.ar2021-06-292021-06-292021https://repositorio.21.edu.ar/handle/ues21/19928esAttribution-NonCommercial-NoDerivatives 4.0 Internacionalhttp://creativecommons.org/licenses/by-nc-nd/4.0/Presentation