1990-8644 1990-8644 S1990-86442021000400277 Perú Perú Perú 00 08 2021 00 08 2021 17 81 277 284

2013 9 1 1 108-13 2015 2019 4 14 14 182-204 2019 2021 2019 40 2 2 161-70 2019 11 1 1 416-27 1997 30 3 3 450-4 2006 2020 17 1-20 2019 Varadero, Cuba 2019 11 4 4 61-71 2017 4 11 11 1-7 1990 2013 8 1 1 143-66 2014 6 6 6 209-25 2008 26 2 2 65-78 2012 32 1169-77