Martínez Prats, Germán. “Analysis of the Statistics System of the Mexican Trade Balance”. Revista Arbitrada Interdisciplinaria Koinonía 4, no. 7 (January 26, 2019): 13–32. Accessed September 25, 2026. https://ojs.fundacionkoinonia.com.ve/index.php/revistakoinonia/article/view/192.