2072-8174 2072-8174 S2072-81742022000200088 10.18004/rdn2022.dic.02.088.093 Paraguay Paraguay 00 12 2022 00 12 2022 14 2 88 93

1 2000 67 2 2 161-3 2 1986 13 66-9 3 1990 154 3 3 525-52 4 2013 5 2 2 51-3 5 2019 43 1 1 7-11