Analysis of the evolution of exports from the tuna sector to the European Union and their impact on the trade balance of Ecuador, period 2014 - 2018. Teor. Enfoques. Apl. Cienc. Soc. [Internet]. 2020 Dec. 27 [cited 2026 Jul. 24];13(27):26-37. Available from: https://revistas2.uclave.org/index.php/teacs/article/view/3046