2413-4341 2413-4341 S2413-43412022000100001 10.18004/rpr/2022.08.01.01 Paraguay Paraguay 00 06 2022 00 06 2022 8 1 1 2 2013 22 12 12 1286-94 2018 5 1 1 59-70 2007 3 1 1 25-32