2221-2434 2221-2434 S2221-24342021000200117 Perú 00 06 2021 00 06 2021 11 2 117 118 1 2020 10 2 2 2 2017 52 1 1 1-10 3 2020 21 9 9 1309-15 4 2021 21 119 119 1-15 5 2021 284 1 1 18-26 6 2021 10 1 1