2602-8492 2602-8492 S2602-84922019000200017 10.37116/revistaenergia.v16.n1.2019.331 Ecuador Ecuador Ecuador Ecuador 00 12 2019 00 12 2019 16 1 17 22

2018 68 513-25 2016 2016 pp. 1-5 2006 6 2013 2013 2013 2013 2009 2009 1-9