1996-3696 1996-3696 S1996-36962020000100001 10.18004/imt/20201511-2 Paraguay Paraguay 00 06 2020 00 06 2020 15 1 1 2 1 2019 13 1127-34 2 2017 27 331-40 3 2016 9 4 2020 30 1-14 5 2020 6 6 2018 55 833-45 7 2020 38 1363-9 2019 381 2001-19