C. F. Guayasamin Segovia, F. A. Machado Espinosa, and W. Guayasamí­n Flores, “Teorí­as del comercio internacional: lí­deres mundiales a nivel comercial – 2018”, Rev. Publicando, vol. 6, no. 22, pp. 50–62, Oct. 2019, Accessed: Oct. 25, 2026. [Online]. Available: https://www.revistapublicando.org/revista/index.php/crv/article/view/2041