2520-9914 2520-9914 S2520-99142024000100161 10.47133/respy42-24-1-07 Paraguay 00 06 2024 00 06 2024 42 1 161 177

2010 1 10-6 1965 2000 2011 2006 2011 1972 1999 2007 2010 87-112 2015 2023 1979 39 155 155 267-311 1980