2520-9914 2520-9914 S2520-99142025000200056 10.47133/respy43-25-2-2a-04 Paraguay 00 12 2025 00 12 2025 43 2 56 96

1992 2010 2021 2017 91 91 151-84 2008 2016 ed. corregida y ampliada 1996 2017 2018 2016 2021 2023 1986 2015 4 4 183-92 2022 2004 1997 2018 13 13 11-41 2018 2014