1659-1321 1659-1321 S1659-13212018000200363 10.15517/ma.v29i2.29503 Argentina Ecuador Ecuador Ecuador Argentina 00 08 2018 00 08 2018 29 2 363 373

2005 151-76 2011 13 2 2 25-39 2002 2002 499-514 2001 117-36 2012 90 4814-22 2008 69 843-51 2010 117 208-15 2014 81 632-8 2009 137 813-23 2011 7-8 nov. Hotel Casino Enjoy Viña, Viña del Mar 2003 119 2012 55 17-23 2015 27 96-7 2014 19 3970-83 1984 21-40 2015 27 96 2012 6 17-23 2014 146 111-6 2007 85 684-9 2013 154 229-34 2001 65 1403-9 2002 85 1150-6 2016 66