1657-4702 1657-4702 S1657-47022020000100011 10.18359/rlbi.4786 Perú Perú 00 06 2020 00 06 2020 20 1 11 13 [1] 2019 [4] 2017 22 6 6 84752 [3] 2015 33 2 2 13047 [4] 2020 [5] 2020 50 n/a n/a 15