VADEL MM. Macroeconomic Determinants of Trade Openness in Mauritania: Empirical Study during the period (1991-2020) . IJAFAME [Internet]. 15 sept. 2026 [cité 18 sept. 2026];7(11):455-67. Disponible sur: https://ijafame.org/index.php/ijafame/article/view/2645