0253-5785 0253-5785 S0253-57852019000300039 Ecuador Cuba Ecuador 00 09 2019 00 09 2019 46 3 39 48

2012 80 2018 36 1 1 49-59 2010 28 2017 2004 36 2003 10 2016 37 2 2 127-33 2009 30 1 1 49-56 2015 2 1 1 29-34 FAO 2018 2015 93 2006 6 2 2 145-52 2010 2006 159 2013 7 5 5 632-41 2018 XX 1 1 8-12 2008 La Habana, Cuba 2011 35