1578-2549 1578-2549 S1578-25492020000300363 10.12961/aprl.2020.23.03.06 Perú 00 09 2020 00 09 2020 23 3 363 365 1 2020 23 1 1 52-67 2 2017 47 13 13 2260-74 3 2020 287