0187-893X 0187-893X S0187-893X2019000300024 10.22201/fq.18708404e.2019.3.68309 Chile Chile 00 00 2019 00 00 2019 30 3 24 33

1990 403-9 2014 215-30 2001 453-70 2009 55-60 2013 87-102 2001 471-7 2010 131-9 2003 2003 2013 1978 2010