Gatica Arreola, Leonardo, y Mauricio Ramírez Grajeda. «The Bell-Shaped Curve of International Trade Openness: A Panel Data Test for OECD Countries». EconoQuantum 3, no. 1 (julio 17, 2018): 7–32. Accedido julio 31, 2026. https://econoquantum.cucea.udg.mx/index.php/EQ/article/view/7114.