2007-7890 2007-7890 S2007-78902021000700011 10.46377/dilemas.v9i1.2836 Ecuador Cuba Cuba 00 12 2021 00 12 2021 9 1

1. 1983 2. 2010 3. 2017 4. 1989 5. 2001 279 279 6. 2004 7. 2004 8. 1970 9. 1998 10. 2002 11. 1998 12. 1987