1729-519X 1729-519X S1729-519X2022000200016 Peru 00 04 2022 00 04 2022 21 2 1 2022 21 1 1 2 2021 22 6 6 325-9 3 2020 34 3 3 1-22 4 2021 22 6 6 479-85 5 2020 5 1 1 30-4 6 2021 24 2 2 73-6 7 2018 146 1064-9