1683-0789 1683-0789 S1683-07892021000200173 Bolivia Bolivia 00 11 2021 00 11 2021 10 2 173 189

1 2008 2 2021 2 3 2010 4 2000 25 5 2006 6 2021 7 1998 54 8 2017 9 2019 10 2014 384 11 2020 3-29 12 2016 261 13 2017 1 14 2017 15 2017 16 2013 17 2004 18 2006 19 2012 385-94 20 2016 21 2021 22 2014