1680-0338 1680-0338 S1680-03382021000300127 Ecuador Cuba 00 12 2021 00 12 2021 42 3 127 153

1992 2015 2015 2016 XXXVII 2 2 44-56 2011 2015 XXXVI 2 2 109-23 2016 SIGTIERRAS 2011 2011