0864-0289 0864-0289 S0864-02892021000400020 Perú 00 12 2021 00 12 2021 37 4 1 2020 36 2 2 1-14 2 Wagenmakers E-J 2018 1 3 3 367-74 3 Wagenmakers E-J 2017 14 545-55 4 1961 5 2020 6 2017 9 12 12 1278-82 7 2020 20 1-12 8 2019 3 4 4 igz036