0300-9041 0300-9041 S0300-90412021000200182 10.24245/gom.v89i2.5129 Peru 00 00 2021 00 00 2021 89 2 182 184 1 2020 88 8 8 536-41 2 2020 88 12 12 853-9 3 2018 1 3 3 367-74 4 2017 14 5 5 545-55 5 1961 6 2020 7 2020 20 1-12 8 2020